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TNDM
Tandem Diabetes Care, Inc.
stock NASDAQ

At Close

Sep 30, 2026 3:59:53 PM EDT

16.31USD-1.569%(-0.26)2,198,738

14.06Bid 18.72Ask 4.66Spread

Pre-market

Sep 30, 2026 9:28:30 AM EDT

16.62USD+0.302%(+0.05)13,572

After-hours

Sep 29, 2026 4:36:30 PM EDT

16.60USD+0.121%(+0.02)0

OverviewOption ChainHistoricalExchangesShortsMore

Expiration Dates

Oct 16, 2026 Nov 20, 2026 Jan 15, 2027 Feb 19, 2027 May 21, 2027

ITM/OTM for Feb 19, 2027View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
74	415	19	175

TNDM Feb 19, 2027 Exp. - Volume by Strike

Puts

Calls

TNDM Feb 19, 2027 Exp. - Open Interest by Strike

Puts

Calls

TNDM Feb 19, 2027 Exp. - Max Pain @ $15.00

Puts

Calls

TNDM Feb 19, 2027 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
35 C	0.59	+31.11%	3	8	09-16	TNDM270219C00035000
30 C	0.45	+12.50%	3	39	09-22	TNDM270219C00030000
25 C	1.20	-32.96%	1	4	09-21	TNDM270219C00025000
24 C	2.78	0%	2	2	08-07	TNDM270219C00024000
23 C	1.23	-23.13%	3	6	09-29	TNDM270219C00023000
22 C	1.31	-29.19%	4	4	09-24	TNDM270219C00022000
21 C	1.35	0%	8	8	09-24	TNDM270219C00021000
20 C	1.70	-33.33%	10	11	09-24	TNDM270219C00020000
19 C	1.90	-5.00%	11	290	09-24	TNDM270219C00019000
18 C	2.30	+0.44%	2	37	09-28	TNDM270219C00018000
17 C	2.35	0%	6	6	09-24	TNDM270219C00017000
16 C	6.14	0%	10	10	09-03	TNDM270219C00016000
15 C	3.60	-21.57%	1	33	09-25	TNDM270219C00015000
14 C	3.60	0%	10	10	09-24	TNDM270219C00014000
13 C	0	0%	0			TNDM270219C00013000
12 C	0	0%	0			TNDM270219C00012000
11 C	0	0%	0			TNDM270219C00011000
10 C	8.00	0.00%	12	21	09-17	TNDM270219C00010000
9 C	0	0%	0			TNDM270219C00009000
5 C	0	0%	0			TNDM270219C00005000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
35 P	0	0%	0			TNDM270219P00035000
30 P	0	0%	0			TNDM270219P00030000
25 P	0	0%	0			TNDM270219P00025000
24 P	0	0%	0			TNDM270219P00024000
23 P	0	0%	0			TNDM270219P00023000
22 P	0	0%	0			TNDM270219P00022000
21 P	0	0%	0			TNDM270219P00021000
20 P	4.58	0%	1	1	09-10	TNDM270219P00020000
19 P	0	0%	0			TNDM270219P00019000
18 P	3.70	+52.26%	1	9	09-21	TNDM270219P00018000
17 P	2.56	+28.00%	1	9	09-10	TNDM270219P00017000
16 P	1.92	+47.69%	6	6	09-10	TNDM270219P00016000
15 P	0.97	0.00%	76	34	08-20	TNDM270219P00015000
14 P	2.26	+46.75%	1	29	09-21	TNDM270219P00014000
13 P	0.90	+69.81%	50	56	09-10	TNDM270219P00013000
12 P	1.19	+176.74%	1	9	09-24	TNDM270219P00012000
11 P	0.90	+221.43%	7	15	09-24	TNDM270219P00011000
10 P	0.50	+66.67%	1	23	09-14	TNDM270219P00010000
9 P	0.33	0.00%	56	3	08-04	TNDM270219P00009000
5 P	0	0%	0			TNDM270219P00005000

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