PS Ratio: 16.66

Basis: FMP quote market capitalization / revenue from four consecutive issuer fiscal quarters. Source: stored company filings and market data; unavailable inputs remain N/A.

Is the P/S ratio high or low?

The P/S ratio of 16.66 is 229% above its estimated 5-year average of 5.06, near the low end of its estimated 5-year range (0.88–92.73).

As of 2026-10-06T13:30:27.799Z. 91.88% above its estimated 12-month average of 8.68.

ALEC PS Ratio Metrics

P/S vs. estimated history

At 16.66, P/S is near its estimated 8-year median — higher than 63% of readings in its estimated 8-year history.

Historical values estimate market capitalization from statement-period weighted shares. Comparisons with the current quote-based value are approximate. Only filing versions delivered by FMP are available for the historical calculation.

Sales Valuation

PS Ratio Formula & Definition

PS Ratio = Market Cap / Revenue (TTM)

The price-to-sales ratio compares market capitalization to trailing revenue. It is useful for valuing companies with little or no earnings.

Expanded definitions: Investopedia, Wikipedia, Corporate Finance Institute

PS Ratio FAQ

What is the P/S ratio for Alector, Inc. (ALEC)?

The P/S ratio for ALEC stock is 16.66.

Is Alector, Inc.'s P/S ratio high or low?

The P/S ratio of 16.66 is 229% above its estimated 5-year average of 5.06, near the low end of its estimated 5-year range (0.88–92.73).

What is the estimated TTM average P/S ratio for Alector, Inc. (ALEC)?

The estimated TTM average P/S ratio for ALEC stock is 8.68.

What is the estimated 3Y average P/S ratio for Alector, Inc. (ALEC)?

The estimated 3Y average P/S ratio for ALEC stock is 5.60.

What is the estimated 5Y average P/S ratio for Alector, Inc. (ALEC)?

The estimated 5Y average P/S ratio for ALEC stock is 5.06.

Showing the most recent 260 of 1,925 data points. The chart above shows the full history.

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