Canadian Solar (CSIQ) Options Chain

NASDAQ: CSIQTechnologySemiconductorsUSD

11.38+0.365 (+3.31%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Oct 30, 2026
Days to expiration: 19
Share price: $11.38
Put/call ratio (OI): 0.44
Put/call ratio (volume): 0.41
ATM implied volatility: 70.1%
Expected move: ±$1.82
Open interest (C / P): 1.63K / 713

CSIQ options summary

The CSIQ options chain for the October 30, 2026 expiration lists 18 call and 16 put contracts, with 19 days until expiration. Open interest stands at 1,627 calls and 713 puts, a put/call ratio of 0.44, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $11.50 strike is 70.1%, which implies the market expects a move of about ±$1.82 (16.0%) in Canadian Solar stock by expiration.

The most open interest sits at the $13.50 call (348 contracts) and the $13.00 put (220 contracts).

Summary generated from market data by MetaCap's automated system. Methodology

CSIQ options chain · October 30, 2026

CSIQ calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
—	—	—	—	—	—	8.00	0.00	0.20	0.09	110.9%	2	8
—	—	—	—	—	—	8.50	0.00	0.25	0.13	102.0%	—	2
1	—	112.5%	2.06	1.95	2.65	9.00	0.00	0.15	0.15	75.0%	1	7
1	—	102.0%	1.76	1.60	2.20	9.50	0.10	0.20	0.14	76.2%	20	118
2	—	67.4%	1.74	1.40	1.75	10.00	0.15	0.30	0.22	71.5%	120	34
—	—	—	—	—	—	10.50	0.30	0.45	0.48	71.9%	15	38
102	1	71.3%	0.60	0.85	1.05	11.00	0.45	0.60	0.75	67.0%	10	212
CSIQ $11.38
15	11	71.1%	0.62	0.60	0.80	11.50	0.70	0.90	0.98	69.1%	22	39
174	1	73.0%	0.50	0.45	0.60	12.00	1.00	1.25	1.20	71.1%	1	24
232	1	70.7%	0.37	0.30	0.40	12.50	—	—	—	—	—	—
334	225	71.9%	0.20	0.20	0.30	13.00	1.70	2.20	2.05	81.3%	2	220
348	1	76.4%	0.20	0.15	0.25	13.50	2.20	2.65	2.45	89.8%	2	2
298	221	78.5%	0.10	0.10	0.20	14.00	2.60	3.10	2.89	90.2%	1	4
20	3	82.8%	0.12	0.05	0.20	14.50	—	—	—	—	—	—
30	4	90.6%	0.08	0.00	0.25	15.00	3.20	4.20	3.65	81.3%	2	4
10	10	102.7%	0.11	0.00	0.30	15.50	—	—	—	—	—	—
36	5	85.9%	0.01	0.00	0.10	16.00	—	—	—	—	—	—
—	—	—	—	—	—	17.00	5.30	6.40	6.01	138.3%	1	1
17	1	103.1%	0.09	0.00	0.10	17.50	—	—	—	—	—	—
1	—	107.8%	0.12	0.00	0.10	18.00	6.30	7.40	7.22	151.2%	1	0
5	2	113.3%	0.10	0.00	0.10	18.50	—	—	—	—	—	—
1	—	118.0%	0.12	0.00	0.10	19.00	7.30	8.40	7.81	162.9%	—	0

In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.

Frequently asked questions

What is the CSIQ put/call ratio?

For the October 30, 2026 expiration, the CSIQ put/call ratio based on open interest is 0.44 (713 puts vs 1,627 calls), and 0.41 based on today's volume. A ratio above 1 means more puts than calls.

What is CSIQ's implied volatility?

At-the-money implied volatility for CSIQ options expiring October 30, 2026 is about 70.1%, an annualized estimate of how much the market expects Canadian Solar stock to move.

How many CSIQ option expiration dates are there?

CSIQ has 11 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.

What does "in the money" mean?

A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.