THRM · Option chain

THRM Option Chain

Every listed THRM strike within 25% of spot, across the next 4 expirations — calls and puts side by side with last price, volume and open interest, plus the closing bid and ask.

Open interest and pricing as of the close on 2026-09-03. Recomputed every morning before the open.

Spot

$40.02

Call open interest

2,613

Put open interest

2,100

Put/call (OI)

0.80

No contracts traded in this window on the session shown, so the put/call balance below is read from open interest — the positions still standing — rather than from the day’s flow.

Sep 18, 202613 days

call OI 47 · put OI 92

Calls				Strike	Puts
Last	Bid / Ask	Vol	OI		Last	Bid / Ask	Vol	OI
—	2.75 / 7.50	—	8	35	—	0.00 / 3.40	—	6
—	0.45 / 4.80	—	31	40	—	0.00 / 3.50	—	39
—	0.00 / 4.80	—	1	45	—	2.55 / 7.40	—	42
—	0.00 / 4.80	—	7	50	—	7.50 / 12.30	—	5
A dash means the contract did not trade — not a price of zero.

Oct 16, 202641 days

call OI 5 · put OI 1

Calls				Strike	Puts
Last	Bid / Ask	Vol	OI		Last	Bid / Ask	Vol	OI
—	3.10 / 7.90	—	—	35	—	0.00 / 4.80	—	1
—	0.30 / 4.90	—	3	40	—	0.10 / 4.90	—	—
—	0.05 / 4.90	—	2	45	—	3.00 / 7.80	—	—
A dash means the contract did not trade — not a price of zero.

Dec 18, 2026104 days

call OI 2,510 · put OI 2,006

Calls				Strike	Puts
Last	Bid / Ask	Vol	OI		Last	Bid / Ask	Vol	OI
—	4.50 / 8.90	—	3	35	—	0.00 / 4.80	—	5
—	1.25 / 6.00	—	505	40	—	1.75 / 5.00	—	2,000
—	0.00 / 4.00	—	2,001	45	—	3.80 / 8.50	—	1
—	0.00 / 4.80	—	1	50	—	8.00 / 12.80	—	—
A dash means the contract did not trade — not a price of zero.

Mar 19, 2027195 days

call OI 51 · put OI 1

Calls				Strike	Puts
Last	Bid / Ask	Vol	OI		Last	Bid / Ask	Vol	OI
—	5.60 / 10.40	—	33	35	—	0.05 / 4.90	—	—
—	2.75 / 7.50	—	16	40	—	2.05 / 6.90	—	—
—	0.65 / 5.50	—	1	45	—	4.80 / 9.50	—	1
—	0.05 / 4.90	—	1	50	—	8.50 / 13.30	—	—
A dash means the contract did not trade — not a price of zero.

How to read this chain

Calls sit on the left, puts on the right, and every row is one strike. The highlighted row is the strike closest to spot. Open interest is the number of contracts still outstanding at that strike — positions that exist right now. Volume is how many traded on the session shown. Open interest builds slowly and marks where positioning has accumulated; volume spikes and marks where attention went today.

Strikes with no open interest and no trades on either side are omitted, and the ladder is trimmed to within 25% of spot — the far wings are almost entirely empty and say nothing about positioning.

More on THRM

THRM options score THRM gamma walls THRM max pain THRM IV rank THRM put/call ratio THRM options flow

Weekly options-market digest

Sundays. What moved this week, what catalysts and earnings drive next week, and which 5-pillar setups stand out.

Free. One email per week. Unsubscribe with one click.

Educational, not investment advice. Options involve risk. Open interest is reported with a one-session lag by OCC, so these levels describe positioning as of the last settled session, not live intraday flow.