Belden (BDC) Options Chain

NYSE: BDCIndustrialsTelecommunications EquipmentUSD

109.15+1.21 (+1.12%)

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

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 68
Share price: $109.15
Put/call ratio (OI): 0.34
Put/call ratio (volume): 0.49
ATM implied volatility: 49.0%
Expected move: ±$23.08
Open interest (C / P): 1.09K / 366

BDC options summary

The BDC options chain for the December 18, 2026 expiration lists 28 call and 15 put contracts, with 68 days until expiration. Open interest stands at 1,089 calls and 366 puts, a put/call ratio of 0.34, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $110.00 strike is 49.0%, which implies the market expects a move of about ±$23.08 (21.1%) in Belden stock by expiration.

The most open interest sits at the $200.00 call (301 contracts) and the $100.00 put (114 contracts).

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

BDC options chain · December 18, 2026

BDC 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	—	—	45.10	0.00	0.00	60.00	0.00	2.20	0.95	95.4%	1	2
—	—	—	—	—	—	65.00	0.00	3.40	0.90	94.8%	1	3
0	4	—	56.50	0.00	0.00	70.00	0.00	2.40	2.40	76.3%	3	6
2	—	141.0%	31.12	41.60	44.60	75.00	0.00	2.60	1.85	68.1%	1	4
3	1	163.2%	39.70	41.50	44.80	80.00	0.00	2.15	2.06	55.9%	1	60
1	1	149.5%	32.15	36.90	40.20	85.00	1.10	1.95	6.60	52.6%	1	5
13	2	135.6%	30.00	32.00	35.70	90.00	0.35	3.10	2.20	57.4%	3	37
11	5	57.2%	20.00	16.00	18.70	95.00	1.35	4.30	2.65	55.5%	2	35
23	1	56.3%	19.49	12.70	15.40	100.00	2.65	5.30	4.40	50.6%	10	114
38	4	53.9%	14.20	9.70	12.20	105.00	5.00	7.50	5.35	50.9%	1	22
BDC $109.15
98	2	52.8%	13.00	7.00	9.60	110.00	6.80	9.00	8.50	45.2%	1	28
155	1	51.3%	8.90	5.50	7.30	115.00	10.30	12.90	9.35	50.0%	4	29
181	3	52.7%	4.62	3.50	5.90	120.00	14.10	16.40	13.40	50.8%	5	8
48	2	52.3%	3.90	2.50	4.50	125.00	17.90	20.10	15.20	50.9%	6	7
42	3	53.4%	2.81	1.55	3.60	130.00	21.50	24.30	14.65	52.5%	1	6
12	2	59.4%	3.70	0.95	3.60	135.00	—	—	—	—	—	—
30	1	54.9%	2.05	0.05	2.25	140.00	—	—	—	—	—	—
25	20	51.6%	3.71	0.15	2.60	145.00	—	—	—	—	—	—
27	5	51.8%	0.95	0.40	1.65	150.00	—	—	—	—	—	—
1	1	77.1%	2.90	2.00	4.60	155.00	—	—	—	—	—	—
8	2	57.5%	0.55	0.00	0.90	160.00	—	—	—	—	—	—
6	1	52.5%	1.50	0.00	0.85	165.00	—	—	—	—	—	—
3	1	54.9%	0.70	0.00	0.80	170.00	—	—	—	—	—	—
0	1	25.0%	2.00	0.00	0.00	175.00	—	—	—	—	—	—
53	1	59.8%	0.85	0.00	0.75	180.00	—	—	—	—	—	—
6	1	62.4%	0.95	0.00	0.75	185.00	—	—	—	—	—	—
2	1	84.5%	1.00	0.10	2.90	190.00	—	—	—	—	—	—
0	1	25.0%	1.85	0.00	0.00	195.00	—	—	—	—	—	—
301	17	69.6%	0.30	0.00	0.75	200.00	—	—	—	—	—	—

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 BDC put/call ratio?

For the December 18, 2026 expiration, the BDC put/call ratio based on open interest is 0.34 (366 puts vs 1,089 calls), and 0.49 based on today's volume. A ratio above 1 means more puts than calls.

What is BDC's implied volatility?

At-the-money implied volatility for BDC options expiring December 18, 2026 is about 49.0%, an annualized estimate of how much the market expects Belden stock to move.

How many BDC option expiration dates are there?

BDC has 4 listed expiration dates, from Oct 16, 2026 to Mar 19, 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.