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

After hours: 29.50 -0.67%

Expiration date

Expiration: Oct 16, 2026
Days to expiration: 7
Share price: $29.70
Put/call ratio (OI): 1.63
Put/call ratio (volume): 0.43
ATM implied volatility: 36.3%
Expected move: ±$1.49
Open interest (C / P): 2.72K / 4.44K

SBLK options summary

The SBLK options chain for the October 16, 2026 expiration lists 14 call and 10 put contracts, with 7 days until expiration. Open interest stands at 2,719 calls and 4,441 puts, a put/call ratio of 1.63, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $30.00 strike is 36.3%, which implies the market expects a move of about ±$1.49 (5.0%) in Star Bulk Carriers stock by expiration.

The most open interest sits at the $33.00 call (826 contracts) and the $30.00 put (2.58K contracts).

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

SBLK options chain · October 16, 2026

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	—	—	8.33	0.00	0.00	22.00	—	—	—	—	—	—
60	—	145.1%	6.40	4.00	5.40	25.00	0.00	0.25	0.05	83.6%	1	36
1	1	132.0%	4.70	2.90	4.50	26.00	0.00	0.40	0.04	78.1%	1	4
—	—	—	—	—	—	27.00	0.00	0.25	0.05	53.5%	61	1,133
369	181	40.6%	1.85	1.75	1.85	28.00	0.00	0.15	0.08	40.6%	1	96
97	6	33.7%	1.10	0.80	1.00	29.00	0.20	0.40	0.27	40.0%	5	307
SBLK $29.70
341	1	33.4%	0.53	0.15	0.45	30.00	0.55	0.85	0.70	39.2%	31	2,579
253	2	50.6%	0.05	0.05	0.40	31.00	1.00	1.60	0.95	43.8%	1	97
457	20	46.5%	0.08	0.00	0.15	32.00	1.90	2.65	2.46	63.3%	1	110
826	5	44.9%	0.10	0.00	0.05	33.00	2.60	3.60	2.40	73.4%	2	69
129	1	54.7%	0.03	0.00	0.05	34.00	—	—	—	—	—	—
155	5	80.9%	0.05	0.00	0.30	35.00	4.60	6.10	3.95	63.7%	—	10
16	6	90.6%	0.10	0.00	0.30	36.00	—	—	—	—	—	—
13	11	71.9%	0.05	0.00	0.05	37.00	—	—	—	—	—	—
2	1	113.1%	0.01	0.00	0.35	38.00	—	—	—	—	—	—

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 October 16, 2026 expiration, the SBLK put/call ratio based on open interest is 1.63 (4,441 puts vs 2,719 calls), and 0.43 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 October 16, 2026 is about 36.3%, 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.