Star Bulk Carriers (SBLK) Options Chain

NASDAQ: SBLKConsumer DiscretionaryMarine TransportationUSD

29.70-0.77 (-2.53%)

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

Expiration date

Expiration: May 21, 2027
Days to expiration: 223
Share price: $29.70
Put/call ratio (OI): 3.15
Put/call ratio (volume): 32.00
ATM implied volatility: 43.4%
Expected move: ±$10.07
Open interest (C / P): 218 / 687

SBLK options summary

The SBLK options chain for the May 21, 2027 expiration lists 6 call and 8 put contracts, with 223 days until expiration. Open interest stands at 218 calls and 687 puts, a put/call ratio of 3.15, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $30.00 strike is 43.4%, which implies the market expects a move of about ±$10.07 (33.9%) in Star Bulk Carriers stock by expiration.

The most open interest sits at the $30.00 call (158 contracts) and the $40.00 put (514 contracts).

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

SBLK options chain · May 21, 2027

SBLK 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
0	—	42.5%	9.10	6.20	7.80	23.00	—	—	—	—	—	—
—	—	—	—	—	—	25.00	0.85	2.20	1.90	48.8%	1	1
3	—	38.8%	5.19	2.65	4.40	28.00	—	—	—	—	—	—
50	1	37.6%	3.00	2.15	3.80	29.00	—	—	—	—	—	—
SBLK $29.70
158	1	33.3%	2.60	1.70	2.95	30.00	3.20	5.10	3.70	53.4%	30	31
5	1	37.3%	3.14	1.00	2.55	32.00	—	—	—	—	—	—
2	—	35.2%	2.60	0.30	1.75	34.00	—	—	—	—	—	—
—	—	—	—	—	—	35.00	6.60	8.80	6.00	57.7%	—	2
—	—	—	—	—	—	36.00	7.50	9.60	8.53	58.4%	2	10
—	—	—	—	—	—	37.00	8.30	10.50	9.36	60.1%	2	58
—	—	—	—	—	—	38.00	9.30	11.30	10.22	60.4%	2	5
—	—	—	—	—	—	39.00	10.20	12.20	10.70	50.0%	2	66
—	—	—	—	—	—	40.00	11.20	12.70	11.98	58.3%	57	514

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 SBLK put/call ratio?

For the May 21, 2027 expiration, the SBLK put/call ratio based on open interest is 3.15 (687 puts vs 218 calls), and 32.00 based on today's volume. A ratio above 1 means more puts than calls.

What is SBLK's implied volatility?

At-the-money implied volatility for SBLK options expiring May 21, 2027 is about 43.4%, an annualized estimate of how much the market expects Star Bulk Carriers stock to move.

How many SBLK option expiration dates are there?

SBLK has 8 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.