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TNDM
Tandem Diabetes Care, Inc.
stock NASDAQ

At Close

Aug 14, 2026 3:59:57 PM EDT

22.70USD-1.859%(-0.43)1,682,807

22.70Bid 25.69Ask 2.99Spread

Pre-market

Aug 14, 2026 9:17:30 AM EDT

22.73USD-1.729%(-0.40)6,934

After-hours

Aug 14, 2026 4:34:30 PM EDT

22.65USD-0.220%(-0.05)150

OverviewOption ChainHistoricalExchangesShortsMore

Expiration Dates

Aug 21, 2026 Sep 18, 2026 Nov 20, 2026 Jan 15, 2027 Feb 19, 2027

ITM/OTM for Jan 15, 2027View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
1,642	1,996	148	3,030

TNDM Jan 15, 2027 Exp. - Volume by Strike

Puts

Calls

TNDM Jan 15, 2027 Exp. - Open Interest by Strike

Puts

Calls

TNDM Jan 15, 2027 Exp. - Max Pain @ $15.00

Puts

Calls

TNDM Jan 15, 2027 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
65 C	0.10	0.00%	17	102	07-21	TNDM270115C00065000
60 C	0.45	-70.20%	1	8	05-01	TNDM270115C00060000
55 C	0.40	-33.33%	3	10	05-07	TNDM270115C00055000
50 C	0.25	-53.70%	1	8	06-25	TNDM270115C00050000
47 C	0.30	+20.00%	1	8	07-02	TNDM270115C00047000
45 C	0.45	-83.93%	1	12	07-14	TNDM270115C00045000
42 C	0.35	-70.09%	1	21	06-25	TNDM270115C00042000
40 C	0.52	-55.93%	2	33	08-03	TNDM270115C00040000
38 C	0.80	+14.29%	1	39	08-10	TNDM270115C00038000
35 C	0.65	-2.99%	1	110	07-28	TNDM270115C00035000
34 C	0.74	-38.33%	1	2	06-22	TNDM270115C00034000
33 C	0.90	-15.09%	1	333	08-06	TNDM270115C00033000
32 C	1.40	0%	1	1	05-29	TNDM270115C00032000
31 C	0	0%	0			TNDM270115C00031000
30 C	2.00	+3.09%	10	282	08-11	TNDM270115C00030000
29 C	2.40	+26.32%	20	45	08-11	TNDM270115C00029000
28 C	2.63	+304.62%	4	24	08-12	TNDM270115C00028000
27 C	1.52	+38.18%	1	1	06-15	TNDM270115C00027000
26 C	1.50	0%	2	2	06-11	TNDM270115C00026000
25 C	3.31	+43.91%	1	167	08-11	TNDM270115C00025000
24 C	4.29	+65.00%	1	731	08-11	TNDM270115C00024000
23 C	4.85	+169.44%	7	57	08-13	TNDM270115C00023000
22 C	5.35	+13.11%	7	32	08-13	TNDM270115C00022000
21 C	4.01	+86.51%	500	64	08-03	TNDM270115C00021000
20 C	5.71	+4.20%	5	248	08-13	TNDM270115C00020000
19 C	6.10	+45.24%	4	15	08-07	TNDM270115C00019000
18 C	5.25	+23.53%	6	51	08-04	TNDM270115C00018000
17 C	7.70	+40.00%	2	35	08-12	TNDM270115C00017000
16 C	8.03	+45.74%	100	226	08-12	TNDM270115C00016000
15 C	9.40	+6.82%	2	709	08-11	TNDM270115C00015000
14 C	6.50	+18.18%	2	2	07-30	TNDM270115C00014000
13 C	5.80	+14.40%	2	149	07-17	TNDM270115C00013000
12 C	4.30	+19.44%	4	47	05-18	TNDM270115C00012000
11 C	7.70	+48.36%	1	1	07-20	TNDM270115C00011000
10 C	12.50	+25.00%	6	27	08-07	TNDM270115C00010000
9 C	7.93	-25.89%	4	8	06-12	TNDM270115C00009000
8 C	9.30	0%	9	9	05-08	TNDM270115C00008000
7 C	0	0%	0			TNDM270115C00007000
6 C	0	0%	0			TNDM270115C00006000
5 C	20.48	+41.24%	2	8	03-19	TNDM270115C00005000
3 C	18.80	+6.21%	2	11	03-06	TNDM270115C00003000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
65 P	48.50	0%	1	1	11-07	TNDM270115P00065000
60 P	0	0%	0			TNDM270115P00060000
55 P	0	0%	0			TNDM270115P00055000
50 P	0	0%	0			TNDM270115P00050000
47 P	0	0%	0			TNDM270115P00047000
45 P	0	0%	0			TNDM270115P00045000
42 P	0	0%	0			TNDM270115P00042000
40 P	14.55	-3.96%	2	1	02-21	TNDM270115P00040000
38 P	18.88	+21.03%	1	1	03-03	TNDM270115P00038000
35 P	0	0%	0			TNDM270115P00035000
34 P	0	0%	0			TNDM270115P00034000
33 P	10.35	+0.10%	1	1	02-20	TNDM270115P00033000
32 P	0	0%	0			TNDM270115P00032000
31 P	0	0%	0			TNDM270115P00031000
30 P	10.90	+6.34%	1	35	03-12	TNDM270115P00030000
29 P	0	0%	0			TNDM270115P00029000
28 P	6.57	-20.07%	10	4	02-06	TNDM270115P00028000
27 P	0	0%	0			TNDM270115P00027000
26 P	0	0%	0			TNDM270115P00026000
25 P	5.20	-31.40%	8	29	08-11	TNDM270115P00025000
24 P	0	0%	0			TNDM270115P00024000
23 P	6.70	+31.63%	20	76	04-08	TNDM270115P00023000
22 P	0	0%	0			TNDM270115P00022000
21 P	0	0%	0			TNDM270115P00021000
20 P	2.35	-44.84%	2	125	08-12	TNDM270115P00020000
19 P	0	0%	0			TNDM270115P00019000
18 P	3.47	-8.68%	1	17	04-16	TNDM270115P00018000
17 P	2.62	-38.21%	1	2	08-06	TNDM270115P00017000
16 P	1.67	-23.39%	6	6	08-07	TNDM270115P00016000
15 P	1.05	-32.26%	3	7	08-10	TNDM270115P00015000
14 P	2.40	-7.69%	1	4	07-16	TNDM270115P00014000
13 P	0.40	-50.00%	2	519	08-13	TNDM270115P00013000
12 P	1.70	+3.03%	2	9	07-14	TNDM270115P00012000
11 P	0.70	+7.69%	350	1,254	08-07	TNDM270115P00011000
10 P	0.35	-48.53%	8	1,009	08-12	TNDM270115P00010000
9 P	0.43	-4.44%	12	27	07-24	TNDM270115P00009000
8 P	0.35	-45.31%	64	13	07-17	TNDM270115P00008000
7 P	0.40	0%	16	0	06-12	TNDM270115P00007000
6 P	0	0%	0			TNDM270115P00006000
5 P	0.23	-23.33%	112	38	06-12	TNDM270115P00005000
3 P	0	0%	0			TNDM270115P00003000