Dark

TSLL20280121C18
TSLL Jan 21 2028 18.00 Call (TSLL280121C00018000)
option OPRA

EOD

Sep 29, 2026

1.62-12.432%(-0.23)11

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-09-29	1.6900	1.9000	1.6200	1.6200	-12.432%	11	1,840	0.000%
2026-09-28	1.9000	1.9000	1.8400	1.8500	-11.905%	6	1,842	-12.432%
2026-09-25	2.1200	2.1200	2.1000	2.1000	-7.489%	6	1,845	-22.857%
2026-09-24	2.2700	2.2700	2.2700	2.2700	-1.732%	1	1,845	-28.634%
2026-09-22	2.3200	2.3200	2.3100	2.3100	+2.212%	3	1,845	-29.870%
2026-09-21	2.2900	2.3000	2.2000	2.2600	+5.116%	187	1,846	-28.319%
2026-09-18	2.1500	2.1500	2.1500	2.1500	-2.273%	10	1,662	-24.651%
2026-09-17	2.2000	2.2000	2.2000	2.2000	+10.000%	10	1,662	-26.364%
2026-09-15	2.0000	2.0000	2.0000	2.0000	-0.498%	1	1,652	-19.000%
2026-09-14	2.0100	2.0100	2.0100	2.0100	-12.609%	5	1,651	-19.403%
2026-09-11	2.3000	2.3000	2.3000	2.3000	-2.128%	43	1,651	-29.565%
2026-09-09	2.3500	2.3500	2.3500	2.3500	+2.174%	20	1,694	-31.064%
2026-09-08	2.1000	2.3000	2.1000	2.3000	+17.949%	11	1,674	-29.565%
2026-09-04	2.3300	2.3300	1.8700	1.9500	-29.348%	4	1,684	-16.923%
2026-09-03	2.5200	2.7800	2.5200	2.7600	+31.429%	11	1,684	-41.304%
2026-09-02	2.1000	2.1500	2.0600	2.1000	-4.545%	9	1,678	-22.857%
2026-09-01	2.2000	2.2000	2.2000	2.2000	-9.836%	1	1,671	-26.364%
2026-08-31	2.2600	2.4600	2.2600	2.4400	+25.773%	181	1,671	-33.607%
2026-08-28	1.9300	1.9400	1.9300	1.9400	-11.009%	2	1,553	-16.495%
2026-08-27	2.1000	2.1800	2.1000	2.1800	+6.341%	4	1,553	-25.688%
2026-08-26	2.0400	2.0500	1.9300	2.0500	-6.818%	495	1,549	-20.976%
2026-08-24	2.3300	2.3300	2.2000	2.2000	-9.836%	12	1,290	-26.364%
2026-08-21	2.3200	2.5700	2.3000	2.4400	+19.608%	34	1,279	-33.607%
2026-08-20	2.1300	2.1300	1.9600	2.0400	-1.923%	38	1,271	-20.588%
2026-08-19	1.9100	2.1000	1.9100	2.0800	+12.432%	13	1,240	-22.115%
2026-08-18	1.8500	1.8900	1.8500	1.8500	-3.141%	44	1,238	-12.432%
2026-08-17	1.9100	1.9100	1.9100	1.9100	-2.051%	3	1,232	-15.183%
2026-08-14	1.9100	1.9900	1.9100	1.9500	-2.010%	14	1,233	-16.923%
2026-08-13	1.8100	1.9900	1.7600	1.9900	+18.452%	91	1,222	-18.593%
2026-08-12	1.8000	1.8000	1.6400	1.6800	-16.000%	133	1,184	-3.571%
2026-08-11	2.0000	2.0000	2.0000	2.0000	+7.527%	1	1,154	-19.000%
2026-08-10	1.8600	1.8600	1.8600	1.8600	-0.535%	1	1,153	-12.903%
2026-08-07	1.8500	2.0000	1.8500	1.8700	+19.108%	8	1,152	-13.369%
2026-08-06	1.6000	1.7200	1.5700	1.5700	-15.135%	19	1,151	+3.185%
2026-08-05	1.8500	1.8500	1.8500	1.8500	0.000%	1	1,146	-12.432%
2026-08-04	1.8200	1.8500	1.8200	1.8500	+3.933%	103	1,146	-12.432%
2026-08-03	1.7300	1.7800	1.6800	1.7800	+14.839%	19	1,045	-8.989%
2026-07-31	1.5000	1.5500	1.5000	1.5500	+6.164%	25	1,031	+4.516%
2026-07-30	1.5000	1.5000	1.4600	1.4600	0.000%	21	1,021	+10.959%
2026-07-29	1.4200	1.4600	1.4200	1.4600	-2.667%	3	1,020	+10.959%
2026-07-28	1.5000	1.5000	1.5000	1.5000	+7.143%	12	1,018	+8.000%
2026-07-27	1.5700	1.5700	1.4000	1.4000	-6.667%	21	1,028	+15.714%
2026-07-24	1.6600	1.9000	1.5000	1.5000	-11.243%	159	1,016	+8.000%
2026-07-23	1.9300	2.0000	1.6900	1.6900	-48.788%	140	979	-4.142%
2026-07-22	3.4000	3.4000	3.3000	3.3000	-3.790%	5	924	-50.909%
2026-07-21	3.4300	3.4300	3.4300	3.4300	+8.889%	2	919	-52.770%
2026-07-20	3.3000	3.3000	3.1500	3.1500	-10.765%	9	917	-48.571%
2026-07-17	3.5500	3.5500	3.4900	3.5300	-11.529%	9	912	-54.108%
2026-07-16	3.7000	3.9900	3.7000	3.9900	+6.117%	8	912	-59.398%
2026-07-15	3.9200	3.9200	3.7600	3.7600	-7.160%	11	907	-56.915%
2026-07-14	4.5000	4.5000	4.0000	4.0500	+2.532%	35	907	-60.000%
2026-07-13	4.0000	4.0000	3.9500	3.9500	-14.130%	21	899	-58.987%
2026-07-10	4.6000	4.6000	4.6000	4.6000	+11.380%	1	898	-64.783%
2026-07-08	4.2000	4.2000	4.1300	4.1300	-13.958%	2	897	-60.775%
2026-07-07	4.8000	4.8000	4.8000	4.8000	-4.950%	2	897	-66.250%
2026-07-06	5.0500	5.0500	5.0500	5.0500	+20.238%	2	895	-67.921%
2026-07-02	4.9800	4.9800	4.1500	4.2000	-23.636%	5	892	-61.429%
2026-07-01	5.2000	5.7300	5.2000	5.5000	+6.796%	39	892	-70.545%
2026-06-30	5.0000	5.1500	5.0000	5.1500	+5.102%	3	892	-68.544%
2026-06-29	4.4000	4.9000	4.4000	4.9000	+30.667%	10	891	-66.939%
2026-06-26	3.9500	3.9700	3.7500	3.7500	-3.846%	5	885	-56.800%
2026-06-25	3.9000	3.9000	3.9000	3.9000	-1.266%	6	881	-58.462%
2026-06-24	3.9500	3.9500	3.9500	3.9500	-1.250%	3	881	-58.987%
2026-06-23	4.5000	4.5000	4.0000	4.0000	-19.192%	135	878	-59.500%
2026-06-22	5.2100	5.2100	4.9500	4.9500	+8.791%	2	880	-67.273%
2026-06-18	4.4000	4.5500	4.4000	4.5500	-7.143%	10	895	-64.396%
2026-06-17	4.4000	4.9000	4.4000	4.9000	-1.606%	28	895	-66.939%
2026-06-16	5.0000	5.0000	4.9500	4.9800	-5.323%	11	895	-67.470%
2026-06-15	5.2600	5.2600	5.2600	5.2600	+7.128%	1	882	-69.202%
2026-06-12	4.8500	4.9100	4.6000	4.9100	+10.337%	18	882	-67.006%
2026-06-11	4.4500	4.4500	4.4500	4.4500	+9.877%	2	882	-63.596%
2026-06-09	5.0500	5.0500	4.0500	4.0500	-19.000%	9	882	-60.000%
2026-06-08	4.9500	5.0000	4.9500	5.0000	+13.636%	16	882	-67.600%
2026-06-05	5.1700	5.1700	4.3000	4.4000	-21.569%	143	882	-63.182%
2026-06-04	5.6100	5.6100	5.6100	5.6100	-6.500%	4	882	-71.123%
2026-06-03	5.9600	6.0000	5.9600	6.0000	+5.820%	5	882	-73.000%
2026-06-02	5.6600	5.6700	5.6600	5.6700	-0.526%	17	882	-71.429%
2026-06-01	5.9000	6.0000	5.7000	5.7000	-11.628%	10	882	-71.579%
2026-05-29	6.4000	6.4500	6.0000	6.4500	-5.564%	22	876	-74.884%
2026-05-28	6.8500	7.0000	6.7500	6.8300	+7.559%	13	875	-76.281%
2026-05-26	6.1500	6.3500	6.1500	6.3500	+4.959%	10	866	-74.488%
2026-05-22	6.1500	6.1500	6.0500	6.0500	+7.270%	4	866	-73.223%
2026-05-21	5.7000	5.9000	5.6300	5.6400	+15.102%	30	863	-71.277%
2026-05-19	4.8700	4.9000	4.8000	4.9000	-9.259%	25	863	-66.939%
2026-05-18	5.6000	5.8000	5.4000	5.4000	-11.475%	88	839	-70.000%
2026-05-15	6.7000	6.7000	6.1000	6.1000	-18.121%	22	839	-73.443%
2026-05-14	7.3200	7.4500	7.3200	7.4500	+3.472%	7	907	-78.255%
2026-05-13	6.7700	7.6000	6.7700	7.2000	+11.111%	27	902	-77.500%
2026-05-12	6.9000	6.9000	6.0000	6.4800	-9.371%	109	902	-75.000%
2026-05-11	5.9200	7.4000	5.7000	7.1500	+19.167%	521	902	-77.343%
2026-05-08	5.9400	6.2500	5.9400	6.0000	+18.110%	131	993	-73.000%
2026-05-07	5.2000	5.2900	5.0800	5.0800	+8.085%	8	908	-68.110%
2026-05-06	4.7000	4.7000	4.7000	4.7000	+1.512%	1	905	-65.532%
2026-05-05	5.0000	5.0000	4.6300	4.6300	-2.526%	17	904	-65.011%
2026-05-04	4.7500	4.7500	4.7500	4.7500	0.000%	5	912	-65.895%
2026-05-01	4.4500	4.7500	4.4500	4.7500	+13.095%	6	911	-65.895%
2026-04-30	3.7500	4.2000	3.7500	4.2000	+5.000%	8	911	-61.429%
2026-04-29	3.9900	4.0000	3.9900	4.0000	-2.913%	2	912	-59.500%
2026-04-28	4.0500	4.1200	4.0500	4.1200	+5.371%	2	912	-60.680%
2026-04-27	3.9000	3.9100	3.9000	3.9100	-4.634%	2	912	-58.568%
2026-04-24	4.1000	4.1000	4.1000	4.1000	-12.766%	4	911	-60.488%
2026-04-22	4.7000	4.7500	4.6300	4.7000	-10.476%	13	915	-65.532%
2026-04-17	5.2500	5.5100	5.2500	5.2500	+12.420%	65	914	-69.143%
2026-04-16	4.6300	4.7000	4.5700	4.6700	-2.708%	276	977	-65.310%
2026-04-15	3.9900	4.9500	3.9900	4.8000	+31.507%	23	977	-66.250%
2026-04-14	3.6000	3.6500	3.6000	3.6500	+9.610%	2	982	-55.616%
2026-04-13	3.3200	3.4300	3.3200	3.3300	+11.000%	39	987	-51.351%
2026-04-10	3.2000	3.4000	3.0000	3.0000	-11.765%	22	987	-46.000%
2026-04-09	3.0500	3.4000	3.0500	3.4000	+12.211%	10	987	-52.353%
2026-04-08	3.3000	3.3000	2.9700	3.0300	-2.258%	19	985	-46.535%
2026-04-07	3.0900	3.1000	2.9000	3.1000	-5.775%	23	984	-47.742%
2026-04-06	3.6000	3.6000	3.1000	3.2900	-8.611%	35	982	-50.760%
2026-04-02	3.7900	3.9500	3.6000	3.6000	-17.241%	8	990	-55.000%
2026-04-01	4.2700	4.4000	4.0900	4.3500	+4.819%	326	990	-62.759%
2026-03-31	3.9200	4.1500	3.8500	4.1500	+11.860%	42	945	-60.964%
2026-03-30	3.9500	3.9800	3.7100	3.7100	-5.598%	13	933	-56.334%
2026-03-27	4.3000	4.3000	3.8500	3.9300	-14.565%	53	928	-58.779%
2026-03-26	4.7000	4.7000	4.6000	4.6000	-6.122%	4	902	-64.783%
2026-03-25	5.0000	5.1500	4.9000	4.9000	+4.034%	7	905	-66.939%
2026-03-24	4.6500	4.7500	4.6500	4.7100	+1.290%	7	899	-65.605%
2026-03-23	4.5000	4.8000	4.4900	4.6500	+3.333%	75	901	-65.161%
2026-03-20	4.5000	4.5000	4.2500	4.5000	-5.263%	1,324	892	-64.000%
2026-03-19	4.9000	5.0000	4.7500	4.7500	-12.037%	220	1,493	-65.895%
2026-03-18	5.7500	5.8500	5.3700	5.4000	-5.263%	223	1,491	-70.000%
2026-03-17	5.6000	6.6900	5.6000	5.7000	-0.350%	163	1,428	-71.579%
2026-03-16	5.8000	5.8000	5.6100	5.7200	+5.535%	16	1,302	-71.678%
2026-03-13	5.6500	5.6500	5.4200	5.4200	-9.365%	16	1,302	-70.111%
2026-03-12	5.8500	5.9800	5.8500	5.9800	-2.128%	7	1,296	-72.910%
2026-03-11	6.1600	6.2500	6.1000	6.1100	+3.912%	10	1,300	-73.486%
2026-03-10	6.0000	7.3000	5.8800	5.8800	-0.339%	7	1,290	-72.449%
2026-03-06	5.7500	5.9000	5.7500	5.9000	-4.839%	53	1,287	-72.542%
2026-03-05	6.0000	6.2000	6.0000	6.2000	+0.813%	7	1,258	-73.871%
2026-03-04	5.9000	6.1500	5.9000	6.1500	+0.820%	3	1,257	-73.659%
2026-03-02	6.2000	6.2000	5.8800	6.1000	+2.521%	83	1,259	-73.443%
2026-02-27	6.1500	6.1500	5.8300	5.9500	-7.031%	27	1,185	-72.773%
2026-02-26	6.6500	6.6500	6.3500	6.4000	0.000%	7	1,199	-74.688%
2026-02-24	6.0000	6.4000	6.0000	6.4000	+8.475%	10	1,192	-74.688%
2026-02-23	6.3400	6.6500	5.8300	5.9000	-11.940%	275	1,185	-72.542%
2026-02-20	6.7500	6.8500	6.7000	6.7000	+1.362%	48	1,221	-75.821%
2026-02-19	6.5500	6.6100	6.5500	6.6100	-2.651%	107	1,206	-75.492%
2026-02-18	6.8000	6.8000	6.7900	6.7900	+3.664%	2	1,099	-76.141%
2026-02-17	6.6000	6.6000	6.3000	6.5500	-7.486%	18	1,098	-75.267%
2026-02-13	7.0500	7.3000	7.0500	7.0800	+0.426%	21	1,115	-77.119%
2026-02-12	8.0000	8.0000	6.9700	7.0500	-8.442%	3	1,115	-77.021%
2026-02-10	7.5000	7.7000	7.4000	7.7000	+0.654%	32	1,114	-78.961%
2026-02-09	6.8200	7.6500	6.8200	7.6500	+7.444%	4	1,108	-78.824%
2026-02-06	6.6100	7.2500	6.0200	7.1200	+6.907%	6	1,110	-77.247%
2026-02-05	6.5000	7.5500	5.8000	6.6600	-0.745%	31	1,107	-75.676%
2026-02-04	7.7000	7.9000	6.7100	6.7100	-13.419%	25	1,077	-75.857%
2026-02-03	7.9000	7.9000	7.7500	7.7500	-5.488%	3	1,079	-79.097%
2026-02-02	7.5000	8.2000	7.5000	8.2000	-4.429%	5	1,076	-80.244%
2026-01-30	8.7200	8.9700	8.4000	8.5800	+14.400%	13	1,074	-81.119%
2026-01-29	7.5000	8.7500	7.5000	7.5000	-10.714%	33	1,073	-78.400%
2026-01-28	8.8700	8.8700	8.0000	8.4000	-2.212%	89	1,072	-80.714%
2026-01-27	8.6000	8.7600	8.5900	8.5900	-1.264%	25	1,034	-81.141%
2026-01-26	9.0000	9.1000	8.7000	8.7000	-8.421%	7	1,025	-81.379%
2026-01-23	9.4000	9.5000	9.4000	9.5000	0.000%	2	1,024	-82.947%
2026-01-22	9.0000	9.5000	9.0000	9.5000	+19.647%	13	1,024	-82.947%
2026-01-21	8.0000	8.0000	7.9400	7.9400	-6.588%	5	1,024	-79.597%
2026-01-20	8.5000	8.5000	7.8500	8.5000	-3.628%	9	1,027	-80.941%
2026-01-16	9.0000	9.2000	8.7500	8.8200	-4.026%	16	1,026	-81.633%
2026-01-15	9.6500	9.6500	9.1900	9.1900	-3.161%	29	1,026	-82.372%
2026-01-14	9.2500	9.7000	9.0000	9.4900	-6.040%	14	1,021	-82.929%
2026-01-12	9.5000	10.1000	9.5000	10.1000	+4.124%	1,005	1,015	-83.960%
2026-01-09	9.5400	9.8500	9.5400	9.7000	+4.865%	15	50	-83.299%
2026-01-08	9.2500	9.4000	9.2500	9.2500	-0.857%	4	41	-82.486%
2026-01-07	9.2800	9.4500	9.2000	9.3300	+4.831%	16	39	-82.637%
2026-01-06	9.5000	9.5000	8.7600	8.9000	-4.301%	24	34	-81.798%
2026-01-02	9.9000	9.9000	9.3000	9.3000	-18.777%	13	14	-82.581%
2025-12-29	11.4500	11.4500	11.4500	11.4500	-15.185%	1	3	-85.852%
2025-12-23	13.5000	13.5000	13.5000	13.5000	+0.746%	1	2	-88.000%
2025-12-18	13.4000	13.4000	13.4000	13.4000	+7.200%	1	2	-87.910%
2025-12-15	12.5000	12.5000	12.5000	12.5000	+19.048%	1	1	-87.040%
2025-12-12	10.5000	10.5000	10.5000	10.5000	-5.405%	1	1	-84.571%
2025-12-09	11.1000	11.1000	11.1000	11.1000	+2.778%	64	1,553	-85.405%
2025-12-08	11.1800	11.2500	10.8000	10.8000	-6.736%	20	1,553	-85.000%
2025-12-05	11.8000	12.0000	11.5800	11.5800	+2.478%	85	1,570	-86.010%
2025-12-04	11.3000	11.3000	11.3000	11.3000	-1.310%	1	1,586	-85.664%
2025-12-03	10.6000	11.4500	10.6000	11.4500	+14.500%	3	1,587	-85.852%
2025-12-02	10.8500	10.8500	10.0000	10.0000	-1.961%	86	1,588	-83.800%
2025-12-01	10.0000	10.5500	10.0000	10.2000	-1.829%	89	1,585	-84.118%
2025-11-28	10.4500	10.4700	10.3900	10.3900	-0.096%	3	1,500	-84.408%
2025-11-26	10.0100	10.4000	9.9000	10.4000	+6.122%	208	1,387	-84.423%
2025-11-25	9.5000	9.9000	9.2700	9.8000	-2.000%	16	1,387	-83.469%
2025-11-24	9.3000	10.0000	9.3000	10.0000	+19.048%	30	1,384	-83.800%
2025-11-21	8.5900	8.8900	8.2000	8.4000	-7.692%	1,177	1,375	-80.714%
2025-11-20	9.8100	10.8000	9.1000	9.1000	-1.087%	120	403	-82.198%
2025-11-19	9.0000	9.3000	9.0000	9.2000	+6.236%	19	313	-82.391%
2025-11-18	8.9500	8.9500	8.6600	8.6600	-12.525%	24	331	-81.293%
2025-11-17	10.5000	10.5000	8.9000	9.9000	+7.609%	14	354	-83.636%
2025-11-14	8.3500	9.6300	8.3500	9.2000	+3.955%	11	356	-82.391%
2025-11-13	10.0000	10.0000	8.8000	8.8500	-17.904%	49	356	-81.695%
2025-11-12	10.7800	10.7800	10.7800	10.7800	-9.791%	1	337	-84.972%
2025-11-10	11.3000	12.1800	11.0000	11.9500	+8.636%	14	337	-86.444%
2025-11-07	11.6000	11.7000	10.6000	11.0000	-11.717%	26	334	-85.273%
2025-11-06	12.0000	12.4600	11.5000	12.4600	-8.851%	16	315	-86.998%
2025-11-03	13.0400	14.0000	13.0400	13.6700	+6.797%	5	305	-88.149%
2025-10-31	12.1500	12.8600	12.1500	12.8000	-3.759%	25	305	-87.344%
2025-10-28	13.2500	13.3000	13.2500	13.3000	+6.400%	33	292	-87.820%
2025-10-27	11.4500	12.6500	11.4500	12.5000	+14.679%	38	271	-87.040%
2025-10-24	12.0000	12.0000	10.9000	10.9000	-0.909%	13	271	-85.138%
2025-10-23	10.5000	11.0000	9.7500	11.0000	-2.827%	41	265	-85.273%
2025-10-22	11.3200	11.3200	11.3200	11.3200	-4.473%	5	241	-85.689%
2025-10-21	11.8000	11.9500	11.8000	11.8500	-0.420%	5	241	-86.329%
2025-10-20	11.9000	11.9000	11.9000	11.9000	+3.478%	1	237	-86.387%
2025-10-17	10.7500	11.5000	10.7500	11.5000	+9.005%	4	237	-85.913%
2025-10-16	11.3900	11.3900	10.5500	10.5500	-7.048%	3	236	-84.645%
2025-10-15	11.0000	11.4500	10.8000	11.3500	+2.715%	140	234	-85.727%
2025-10-14	10.8500	11.2500	10.2000	11.0500	-3.913%	33	290	-85.339%
2025-10-13	11.0000	11.5000	10.7500	11.5000	+9.838%	61	295	-85.913%
2025-10-10	11.5000	11.6000	10.4700	10.4700	-7.753%	73	257	-84.527%
2025-10-09	11.6000	11.6000	11.3500	11.3500	-6.198%	2	245	-85.727%
2025-10-08	11.8000	12.1000	11.7500	12.1000	+2.024%	10	243	-86.612%
2025-10-07	12.6500	13.5500	11.6000	11.8600	-8.629%	18	236	-86.341%
2025-10-06	12.9500	12.9800	12.7500	12.9800	+11.800%	5	241	-87.519%
2025-10-03	11.6800	11.8000	10.6800	11.6100	-17.660%	178	240	-86.047%
2025-10-01	14.1000	14.1000	14.1000	14.1000	+9.302%	10	99	-88.511%
2025-09-29	12.0000	12.9000	12.0000	12.9000	+7.054%	2	109	-87.442%
2025-09-25	12.6000	12.6000	12.0000	12.0500	-5.859%	3	110	-86.556%
2025-09-24	12.8000	12.8000	12.8000	12.8000	+6.667%	1	108	-87.344%
2025-09-23	12.3500	12.9000	11.9000	12.0000	-2.834%	19	109	-86.500%
2025-09-22	12.9000	13.2900	12.3500	12.3500	+3.607%	20	114	-86.883%
2025-09-19	12.7500	12.7500	11.9200	11.9200	-1.893%	7	117	-86.409%
2025-09-18	12.1500	12.3000	12.0400	12.1500	+3.404%	7	115	-86.667%
2025-09-17	11.2500	11.7500	10.9500	11.7500	+1.820%	95	110	-86.213%
2025-09-16	11.2000	11.5400	11.2000	11.5400	+10.536%	11	58	-85.962%
2025-09-15	12.0000	12.0000	10.4400	10.4400	0.000%	100	47	-84.483%

.dark-mode .P0hF4M{ color: white; background-color: #333333; border: 2px solid white; }.light-mode .P0hF4M{ color: #333333; background-color: white; border: 2px solid #333333; }TSLL20280121C18TSLL Jan 21 2028 18.00 Call (TSLL280121C00018000)option OPRA

TSLL20280121C18
TSLL Jan 21 2028 18.00 Call (TSLL280121C00018000)
option OPRA