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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 Nov 20, 2026View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
1,564	242	1	469

TNDM Nov 20, 2026 Exp. - Volume by Strike

Puts

Calls

TNDM Nov 20, 2026 Exp. - Open Interest by Strike

Puts

Calls

TNDM Nov 20, 2026 Exp. - Max Pain @ $16.00

Puts

Calls

TNDM Nov 20, 2026 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
40 C	0	0%	0			TNDM261120C00040000
39 C	0	0%	0			TNDM261120C00039000
38 C	0	0%	0			TNDM261120C00038000
37 C	0.55	0%	1	1	08-13	TNDM261120C00037000
36 C	0.53	0%	6	6	06-22	TNDM261120C00036000
35 C	0.66	-49.23%	3	15	08-07	TNDM261120C00035000
34 C	0.80	+29.03%	2	6	08-12	TNDM261120C00034000
33 C	0.65	+30.00%	17	18	06-25	TNDM261120C00033000
32 C	0.54	+1.89%	24	23	06-25	TNDM261120C00032000
31 C	3.77	0%	1	1	03-19	TNDM261120C00031000
30 C	1.50	+57.89%	5	25	08-11	TNDM261120C00030000
29 C	1.05	0%	1	1	06-16	TNDM261120C00029000
28 C	1.90	+48.44%	2	27	08-12	TNDM261120C00028000
27 C	1.00	-23.08%	3	6	07-31	TNDM261120C00027000
26 C	1.11	+177.50%	5	27	06-22	TNDM261120C00026000
25 C	2.82	+41.00%	5	36	08-12	TNDM261120C00025000
24 C	3.10	+26.53%	1	1	05-08	TNDM261120C00024000
23 C	3.90	+8.33%	1	49	08-12	TNDM261120C00023000
22 C	3.10	+106.67%	1	71	08-07	TNDM261120C00022000
21 C	4.44	+117.65%	1	33	08-10	TNDM261120C00021000
20 C	5.16	+72.00%	1	276	08-11	TNDM261120C00020000
19 C	6.00	+20.00%	14	597	08-11	TNDM261120C00019000
18 C	3.20	+36.17%	2	220	07-29	TNDM261120C00018000
17 C	6.50	+22.64%	17	20	08-07	TNDM261120C00017000
16 C	7.50	+27.12%	1	319	08-10	TNDM261120C00016000
15 C	5.30	+60.61%	4	7	08-06	TNDM261120C00015000
14 C	7.30	+67.82%	5	6	08-04	TNDM261120C00014000
13 C	7.35	+29.40%	5	6	07-31	TNDM261120C00013000
12 C	3.90	+22.64%	2	4	05-18	TNDM261120C00012000
11 C	6.50	+30.00%	5	5	07-13	TNDM261120C00011000
10 C	0	0%	0			TNDM261120C00010000
9 C	0	0%	0			TNDM261120C00009000
8 C	0	0%	0			TNDM261120C00008000
7 C	0	0%	0			TNDM261120C00007000
6 C	0	0%	0			TNDM261120C00006000
5 C	0	0%	0			TNDM261120C00005000
4 C	0	0%	0			TNDM261120C00004000
3 C	0	0%	0			TNDM261120C00003000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
40 P	0	0%	0			TNDM261120P00040000
39 P	0	0%	0			TNDM261120P00039000
38 P	0	0%	0			TNDM261120P00038000
37 P	0	0%	0			TNDM261120P00037000
36 P	0	0%	0			TNDM261120P00036000
35 P	0	0%	0			TNDM261120P00035000
34 P	0	0%	0			TNDM261120P00034000
33 P	0	0%	0			TNDM261120P00033000
32 P	0	0%	0			TNDM261120P00032000
31 P	0	0%	0			TNDM261120P00031000
30 P	0	0%	0			TNDM261120P00030000
29 P	0	0%	0			TNDM261120P00029000
28 P	0	0%	0			TNDM261120P00028000
27 P	0	0%	0			TNDM261120P00027000
26 P	0	0%	0			TNDM261120P00026000
25 P	0	0%	0			TNDM261120P00025000
24 P	0	0%	0			TNDM261120P00024000
23 P	6.70	0%	1	1	04-10	TNDM261120P00023000
22 P	6.91	+73.62%	2	2	05-08	TNDM261120P00022000
21 P	5.53	0%	2	2	05-06	TNDM261120P00021000
20 P	3.30	0%	2	2	08-03	TNDM261120P00020000
19 P	3.20	-13.51%	8	17	08-06	TNDM261120P00019000
18 P	1.70	-35.85%	42	12	08-07	TNDM261120P00018000
17 P	1.33	-57.10%	16	4	08-07	TNDM261120P00017000
16 P	1.08	0%	82	12	08-07	TNDM261120P00016000
15 P	0.73	-61.58%	2	2	08-07	TNDM261120P00015000
14 P	1.21	-35.29%	3	1	08-04	TNDM261120P00014000
13 P	1.17	-35.00%	1	2	07-23	TNDM261120P00013000
12 P	0.50	-33.33%	670	377	08-03	TNDM261120P00012000
11 P	0.80	-49.04%	36	4	07-17	TNDM261120P00011000
10 P	0.50	-23.08%	40	9	07-17	TNDM261120P00010000
9 P	0.27	-28.95%	50	10	07-24	TNDM261120P00009000
8 P	0.38	0%	80	12	06-05	TNDM261120P00008000
7 P	0.20	-28.57%	50	1	07-08	TNDM261120P00007000
6 P	0	0%	0			TNDM261120P00006000
5 P	0	0%	0			TNDM261120P00005000
4 P	0	0%	0			TNDM261120P00004000
3 P	0	0%	0			TNDM261120P00003000

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