On the wire · 04:59:58 UTC Live 568 · Prematch 14,387 · Markets 56,856 Vol. I · No. 5 · Friday 13 November 2026 wss://pinnfeed.io/v1/stream

Answer · MLB · CLV

MLB closing line value tracker via API

Updated 10 November 2026 · PinnFeed · 1 min read

Answer: use sport slug baseball, store the price you took, then GET /v1/closing/{eventId} on Builder and compute CLV = taken / fair − 1. Filter MLB via league.name. Pattern: CLV answer.

Flow#

Log bet: event id, market key, side, taken decimal.
After first pitch, pull closing fair.
Aggregate CLV by day/league.

Educational metric — not a tip.

Trial CTA#

Builder (€99/mo) for WebSocket and closing history. 3-day trial; card required, charged after day 3 unless cancelled. Free REST: signup. Related: answers hub, docs.

Questions people ask#

Is the slug mlb?#

No — baseball, then filter league name.

Raw close or fair?#

Use fair (no-vig) so margin does not inflate CLV.

Is this educational content for adults?#

Yes (18+).

The WebSocket plan: Builder, €99/mo.

Real-time Pinnacle odds pushed over one WebSocket, all 13 sports, every market, no-vig fair odds and closing lines. 3 days free, cancel in one click.

See Builder pricing →Free key first