CleanSpark (CLSK) Options Chain

NASDAQ: CLSKFinanceFinance: Consumer ServicesUSD

10.50-0.135 (-1.27%)

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

Expiration date

Expiration: Dec 15, 2028
Days to expiration: 796
Share price: $10.50
Put/call ratio (OI): 0.30
Put/call ratio (volume): 0.52
ATM implied volatility: 77.3%
Expected move: ±$11.99
Open interest (C / P): 5.49K / 1.66K

CLSK options summary

The CLSK options chain for the December 15, 2028 expiration lists 13 call and 11 put contracts, with 796 days until expiration. Open interest stands at 5,489 calls and 1,660 puts, a put/call ratio of 0.30, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $10.00 strike is 77.3%, which implies the market expects a move of about ±$11.99 (114.2%) in CleanSpark stock by expiration.

The most open interest sits at the $15.00 call (1.46K contracts) and the $5.00 put (671 contracts).

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

CLSK options chain · December 15, 2028

CLSK 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
314	2	98.6%	9.28	7.90	8.60	3.00	0.00	2.92	0.34	139.6%	8	3
215	1	92.7%	7.15	6.85	7.40	5.00	0.78	2.50	1.03	93.1%	5	671
288	2	88.3%	5.75	5.55	6.10	8.00	2.39	2.81	2.51	71.8%	16	188
404	16	86.2%	5.13	4.95	5.30	10.00	3.55	3.90	3.70	68.5%	1	394
CLSK $10.50
489	6	86.1%	4.44	4.20	4.60	13.00	5.60	5.95	5.68	66.5%	1	154
1,463	58	85.5%	3.92	3.85	4.10	15.00	7.10	7.45	6.74	65.5%	2	125
164	1	85.6%	3.70	3.35	3.95	17.00	8.60	9.10	8.20	64.4%	1	16
679	120	84.4%	3.20	2.91	3.40	20.00	11.15	11.50	9.55	62.8%	2	22
74	2	85.9%	2.92	2.87	3.15	22.00	—	—	—	—	—	—
319	23	87.0%	3.03	2.60	2.94	25.00	15.40	15.90	14.61	59.6%	20	87
69	1	85.3%	4.85	2.20	2.77	27.00	—	—	—	—	—	—
620	2	86.1%	2.33	2.12	2.48	30.00	0.00	0.00	19.11	—	67	0
391	4	86.7%	1.92	1.78	2.26	35.00	0.00	0.00	22.60	—	1	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 CLSK put/call ratio?

For the December 15, 2028 expiration, the CLSK put/call ratio based on open interest is 0.30 (1,660 puts vs 5,489 calls), and 0.52 based on today's volume. A ratio above 1 means more puts than calls.

What is CLSK's implied volatility?

At-the-money implied volatility for CLSK options expiring December 15, 2028 is about 77.3%, an annualized estimate of how much the market expects CleanSpark stock to move.

How many CLSK option expiration dates are there?

CLSK has 12 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.