BlackLine (BL) Options Chain

NASDAQ: BLTechnologyComputer Software: Prepackaged SoftwareUSD

29.77+0.52 (+1.78%)

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

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 68
Share price: $29.77
Put/call ratio (OI): 0.09
Put/call ratio (volume): 0.41
ATM implied volatility: 58.2%
Expected move: ±$7.48
Open interest (C / P): 24.59K / 2.14K

BL options summary

The BL options chain for the December 18, 2026 expiration lists 23 call and 15 put contracts, with 68 days until expiration. Open interest stands at 24,586 calls and 2,137 puts, a put/call ratio of 0.09, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $30.00 strike is 58.2%, which implies the market expects a move of about ±$7.48 (25.1%) in BlackLine stock by expiration.

The most open interest sits at the $27.50 call (22.99K contracts) and the $30.00 put (1.01K contracts).

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

BL options chain · December 18, 2026

BL 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	—	—	16.11	0.00	0.00	15.00	0.00	0.00	0.37	25.0%	2	0
1	—	147.8%	14.90	9.90	13.90	17.50	0.00	2.25	0.45	128.0%	1	8
7	1	69.9%	15.50	8.10	12.10	20.00	0.00	2.45	1.11	107.3%	4	12
1	—	130.6%	12.10	8.30	12.00	22.50	0.00	2.80	1.70	90.2%	2	510
14	5	63.0%	4.62	4.00	7.90	25.00	0.00	3.40	1.90	76.2%	10	25
22,992	12	63.3%	3.73	4.10	4.70	27.50	1.65	2.05	2.90	57.4%	10	246
BL $29.77
128	1	61.2%	3.30	1.00	5.10	30.00	2.65	3.30	4.50	55.3%	5	1,011
282	2	66.0%	2.10	1.95	2.75	32.50	2.65	6.70	4.53	58.0%	1	264
185	1	61.2%	1.20	1.15	1.70	35.00	4.40	8.20	5.00	53.4%	9	13
695	5	63.3%	0.60	0.80	1.25	37.50	8.10	8.80	10.50	55.4%	4	43
56	5	64.5%	1.15	0.10	1.35	40.00	11.80	15.20	11.92	122.4%	3	1
0	1	88.6%	0.38	0.00	2.60	42.50	11.00	15.10	10.85	58.1%	1	3
104	3	59.8%	0.35	0.00	0.45	45.00	—	—	—	—	—	—
64	1	108.4%	1.45	0.00	2.95	47.50	15.90	19.90	15.08	62.1%	1	1
17	50	104.1%	1.60	0.00	2.15	50.00	—	—	—	—	—	—
22	10	77.4%	0.25	0.10	0.40	52.50	23.40	27.50	22.02	151.6%	—	0
0	1	25.0%	0.10	0.00	0.00	55.00	—	—	—	—	—	—
4	3	129.3%	1.22	0.00	2.70	57.50	—	—	—	—	—	—
0	25	50.0%	0.50	0.00	0.00	62.50	0.00	0.00	32.80	—	2	0
7	3	133.5%	0.70	0.00	2.05	65.00	—	—	—	—	—	—
6	4	153.8%	1.25	0.00	2.80	70.00	—	—	—	—	—	—
0	—	50.0%	1.00	0.00	0.00	75.00	—	—	—	—	—	—
1	—	148.1%	0.25	0.00	1.35	85.00	—	—	—	—	—	—

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 BL put/call ratio?

For the December 18, 2026 expiration, the BL put/call ratio based on open interest is 0.09 (2,137 puts vs 24,586 calls), and 0.41 based on today's volume. A ratio above 1 means more puts than calls.

What is BL's implied volatility?

At-the-money implied volatility for BL options expiring December 18, 2026 is about 58.2%, an annualized estimate of how much the market expects BlackLine stock to move.

How many BL option expiration dates are there?

BL has 8 listed expiration dates, from Oct 16, 2026 to Dec 17, 2027.

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.