CNA · Option chain

CNA Option Chain

Every listed CNA 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

$49.16

Call open interest

248

Put open interest

389

Put/call (volume)

0.00

1 contracts changed hands across these expirations — 1 calls against 0 puts. Calls outtraded puts Infinity to one.

Sep 18, 202613 days

call OI 15 · put OI 11

Calls				Strike	Puts
Last	Bid / Ask	Vol	OI		Last	Bid / Ask	Vol	OI
—	2.15 / 6.90	—	—	45	—	0.00 / 0.45	—	4
—	0.00 / 1.25	—	7	50	—	1.00 / 2.95	—	7
—	0.00 / 4.80	—	7	55	—	3.80 / 8.00	—	—
—	0.00 / 1.20	—	1	60	—	9.00 / 12.80	—	—
A dash means the contract did not trade — not a price of zero.

Oct 16, 202641 days

call OI 1 · put OI 2

Calls				Strike	Puts
Last	Bid / Ask	Vol	OI		Last	Bid / Ask	Vol	OI
—	7.00 / 11.80	—	—	40	—	0.00 / 4.80	—	1
—	2.50 / 6.90	—	—	45	—	0.25 / 0.40	—	1
—	0.00 / 4.80	—	1	50	—	0.20 / 4.80	—	—
A dash means the contract did not trade — not a price of zero.

Nov 20, 202676 days

call OI 129 · put OI 370

Calls				Strike	Puts
Last	Bid / Ask	Vol	OI		Last	Bid / Ask	Vol	OI
—	7.50 / 12.00	—	2	40	—	0.00 / 4.80	—	360
—	3.00 / 6.40	—	11	45	—	0.25 / 4.80	—	8
1.80	0.50 / 2.50	1	57	50	—	0.80 / 4.90	—	2
—	0.00 / 0.75	—	58	55	—	4.10 / 8.50	—	—
—	0.00 / 4.80	—	1	60	—	8.70 / 13.00	—	—
A dash means the contract did not trade — not a price of zero.

Feb 19, 2027167 days

call OI 103 · put OI 6

Calls				Strike	Puts
Last	Bid / Ask	Vol	OI		Last	Bid / Ask	Vol	OI
—	7.60 / 12.30	—	1	40	—	0.00 / 4.80	—	4
—	3.50 / 8.30	—	9	45	—	0.05 / 5.00	—	2
—	2.50 / 4.90	—	22	50	—	1.30 / 6.00	—	—
—	0.00 / 4.80	—	36	55	—	4.50 / 9.00	—	—
—	0.00 / 2.50	—	35	60	—	8.70 / 13.50	—	—
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 CNA

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

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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.