Builders Firstsource Inc

BLDRNYSE · USD
57.01USD0.00 (-0.91%)
752

Builders Firstsource Inc (BLDR) Unusual Options Activity Today

BLDR options volume power reached 2.24x on the previous trading day. The highest reading was on the $45 PUT expiring 2026-11-20.

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Checking BLDR unusual options activity helps you spot when traders are making outsized bets on Builders Firstsource Inc before the broader market catches on. Builders Firstsource Inc's unusual options activity flags contracts trading at multiples of their average daily volume, often signaling that informed money is positioning ahead of a catalyst. Use our scanner to monitor BLDR unusual options activity today and surface the prints that deserve a second look.

Unusual options flow typically refers to trades where volume vastly exceeds open interest at a given strike, or where total contract volume on a name spikes well above its norm. Watching BLDR unusual options flow today can reveal large block trades, sweeps across exchanges, and aggressive directional bets. Tracking BLDR unusual options volume across calls and puts helps you separate hedging activity from genuinely speculative positioning, and BLDR unusual options flow data becomes especially valuable around earnings, product launches, and macro events.

Builders FirstSource, Inc., together with its subsidiaries, manufactures and supplies building materials, manufactured components, and construction services to professional homebuilders, sub-contractors, remodelers, and consumers in the United States. It offers lumber and lumber sheet goods comprising dimensional lumber, plywood, and oriented strand board products that are used in on-site house framing; manufactured products, such as wood floor and roof trusses, steel roof trusses, wall panels, stairs, and engineered wood products; and windows, and interior and exterior door units, as well as interior and exterior trims and custom products under the Synboard brand name.

The company also offers gypsum, roofing, and insulation products, including wallboards, ceilings, joint treatments, and finishes; and siding, metal, and concrete products, such as vinyl, composite, and wood siding products, as well as exterior trims, other exteriors, metal studs, and cement products. In addition, it provides other building products and services, such as cabinets and hardware, as well as turn-key framing, shell construction, design assistance, and professional installation services. The company was formerly known as BSL Holdings, Inc. and changed its name to Builders FirstSource, Inc. in October 1999. Builders FirstSource, Inc. was founded in 1998 and is based in Dallas, Texas.

Catalysts rarely arrive without a footprint, and BLDR unusual options activity is often where that footprint shows up first. Our scanner tracks Builders Firstsource Inc's unusual options flow in real time, ranks prints by volume-to-open-interest, premium spent, and aggressor side, and separates real conviction from noise. Whether you're looking at BLDR unusual options volume on the call side or chasing put sweeps, Builders Firstsource Inc's unusual options flow today is one click away, so put it on your radar before the headlines hit.

2026-10-16
Calls
70.000.300.500.4055%48150894.69%
65.000.801.301.0553%5948112.27%
60.001.753.102.4349%295095.70%
75.000.050.250.1557%19180.11%
35.0022.3026.3024.30100%0650.00%
Puts
75.0015.2016.4015.8056%6610165.35%
45.00—0.150.1568%159116.48%
55.000.851.501.1852%2191,44915.11%
50.000.100.550.3355%202617.66%
60.002.903.803.3553%143813.67%

As of September 29, 2026

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