Backblaze (BLZE) Options Chain

NASDAQ: BLZETechnologyComputer Software: Prepackaged SoftwareUSD

12.69-0.30 (-2.31%)

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

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 68
Share price: $12.69
Put/call ratio (OI): 0.47
Put/call ratio (volume): 0.21
ATM implied volatility: 95.6%
Expected move: ±$5.24
Open interest (C / P): 2.33K / 1.09K

BLZE options summary

The BLZE options chain for the December 18, 2026 expiration lists 11 call and 8 put contracts, with 68 days until expiration. Open interest stands at 2,335 calls and 1,087 puts, a put/call ratio of 0.47, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $12.50 strike is 95.6%, which implies the market expects a move of about ±$5.24 (41.3%) in Backblaze stock by expiration.

The most open interest sits at the $15.00 call (865 contracts) and the $10.00 put (761 contracts).

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

BLZE options chain · December 18, 2026

BLZE 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
—	—	—	—	—	—	2.50	0.00	0.65	0.11	300.0%	—	2
0	4	—	15.62	0.00	0.00	5.00	—	—	—	—	—	—
4	2	148.1%	7.15	5.30	6.50	7.50	0.00	0.55	0.40	105.5%	16	6
126	40	116.3%	4.72	3.30	4.40	10.00	0.55	1.00	0.76	93.1%	9	761
44	451	101.7%	2.25	1.95	2.65	12.50	1.55	2.15	1.47	89.5%	60	141
BLZE $12.69
865	51	101.2%	1.60	1.25	1.60	15.00	2.90	3.80	4.20	83.3%	36	97
201	2	108.7%	0.90	0.75	1.30	17.50	4.90	5.90	4.72	85.6%	40	69
471	1	109.5%	0.78	0.40	0.95	20.00	6.90	8.00	7.30	69.7%	1	11
74	4	111.9%	0.44	0.20	0.75	22.50	0.00	0.00	7.20	—	—	0
111	1	114.8%	0.35	0.05	0.65	25.00	—	—	—	—	—	—
437	200	132.6%	0.05	0.00	0.65	30.00	—	—	—	—	—	—
2	—	148.4%	0.55	0.00	0.65	35.00	—	—	—	—	—	—

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 BLZE put/call ratio?

For the December 18, 2026 expiration, the BLZE put/call ratio based on open interest is 0.47 (1,087 puts vs 2,335 calls), and 0.21 based on today's volume. A ratio above 1 means more puts than calls.

What is BLZE's implied volatility?

At-the-money implied volatility for BLZE options expiring December 18, 2026 is about 95.6%, an annualized estimate of how much the market expects Backblaze stock to move.

How many BLZE option expiration dates are there?

BLZE 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.