Options Flow

Block Orders: A single large trade executed at one price, typically 100+ contracts. Blocks usually represent a single institutional decision and carry strong directional intent. A 5,000-contract call block at the ask suggests a large buyer with bullish conviction.

Sweeps: Orders that aggressively sweep across multiple exchanges to get filled immediately, even at higher prices. Sweeps signal urgency — the buyer wants the position NOW and is willing to pay up. Bullish sweeps (calls at the ask) and bearish sweeps (puts at the ask) are among the strongest flow signals.

Unusual Volume: When a stock's options volume is 3x or more its average daily volume, or when a specific strike/expiration has volume far exceeding its open interest (meaning these are new positions, not closing trades). Unusual volume on out-of-the-money options is particularly noteworthy because it suggests someone is making a leveraged bet on a large move.

Dark Pool Prints: Large options trades that appear on the tape without being visible on the order book beforehand. These were negotiated privately between institutional counterparties and reported after execution.

Step 1: Filter for size. Ignore small retail-sized trades (1-10 contracts). Focus on trades above $50,000-$100,000 in premium. Institutional flow is where the edge exists, not in the noise of small orders.

Step 2: Check the side. Was the trade executed at the bid (someone selling aggressively) or the ask (someone buying aggressively)? Calls at the ask are bullish. Puts at the ask are bearish. Calls at the bid are bearish (someone selling calls). Puts at the bid are bullish (someone selling puts/closing bearish positions).

Step 3: Opening vs closing. If volume exceeds open interest, the trades are opening new positions — stronger signal. If volume is within open interest, they may be closing existing positions — weaker signal. This distinction is critical and often missed by beginners.

Step 4: Context. A large call purchase on a stock about to report earnings might just be a hedged trade (part of a collar or spread). Look for confirmation: is the flow one-sided (all calls, no puts)? Is it concentrated in one expiration? Does the strike suggest a specific price target?

Step 5: Time and expiration. Near-term options flow (0-2 weeks to expiration) suggests an imminent catalyst. Longer-dated flow (2-6 months) suggests the trader expects a larger, slower move. LEAPS (1+ year) flow from institutions often represents a fundamental thesis.

Follow the Flow: The simplest approach — when you see a large, aggressive call sweep on a stock you already like technically, use it as confirmation to enter a long position. Buy shares or a debit spread rather than copying the exact options trade (which may be part of a hedge you cannot see).

Contrarian Flow: When put flow is extreme (put/call ratio above 1.5) and the stock is at support, the positioning may be too bearish. Buying calls or shares into extreme put flow can be a high-probability contrarian trade. This works because extreme one-sided positioning often marks sentiment extremes.

Flow + Technical Convergence: The most reliable approach. Wait for options flow to confirm a technical setup. For example: a stock breaks above resistance with strong volume AND you see aggressive call sweeps. The flow validates that informed money agrees with the breakout.

Sector Flow Scanning: Track aggregate options flow across an entire sector. If you see bullish call flow across 5-6 semiconductor stocks simultaneously, it suggests sector-wide institutional positioning — a more reliable signal than single-stock flow.

Earnings Flow: Large options positions established in the week before earnings often represent informed positioning. Watch for unusual accumulation of calls or puts at specific strikes — these "smart money" targets sometimes reveal the expected earnings move direction.

You cannot see the full picture. A large call purchase might be part of a collar (long stock + long put + short call) or a risk reversal. What looks like a bullish bet might actually be a hedge. Without knowing the trader's full portfolio, you are interpreting incomplete information.

Market makers are not directional. Most large options trades have a market maker on the other side who immediately hedges with stock. The market maker's trade shows up in the flow but carries no directional opinion. Not every large trade is a "smart money bet."

Flow data has latency. By the time a trade appears on your flow scanner, the informed trader has already established their position. If you chase flow that is already an hour old, you may be buying after the informational advantage has already been priced in.

Survivorship bias in flow services. Flow scanning platforms tend to highlight the trades that worked and feature them in marketing. For every call sweep that preceded a 10% rally, there were sweeps that preceded nothing or losses. Always combine flow with technical analysis and risk management rather than trading flow blindly.