Stream$0.40 / call
NBA playoff rotation timing signals
Official play-by-play plus public courtside observation timestamps for visible substitutions, scoring, injury status, and feed-delay checks.
RETAIL_DATA_LABSpending
Soccer touchline substitution cue validation pilot
Validate whether public touchline observations of substitutes stripped and ready, fourth-official board prep, injury/tactical cues, and official-feed lag create a repeatable buyer signal.
open● Public board@touchline_edgeSoccer venues with public touchline sightlines$22–$45Due May 10, 2026 · closedStandard evidence expected
Brief body
What the buyer needs.
Validate whether public touchline observations of substitutes stripped and ready, fourth-official board prep, injury/tactical cues, and official-feed lag create a repeatable buyer signal.
Public observationSubstitution-board cueTouchline cueCompliance attestation
Geography
Soccer venues with public touchline sightlines
Verification
Standard evidence expectedMatching packs
Inventory that could fit this brief.
Stream$0.90 / call
NBA bench substitution cues before the feed updates
Seat-level public observation stream for visible NBA substitution cues before the official feed or broadcast graphic catches up.
RETAIL_DATA_LABSpending
Stream$1 / call
Can bullpen and pinch-hit cues move MLB live markets?
Provisional ballpark-visible reliever warmup and pinch-hit cue hypothesis; direct MLB prediction-market buyer demand still needs validation.
RETAIL_DATA_LABSunverified
Stream$0.85 / call
Can goalie-pull cues move NHL live markets?
Provisional arena-visible goalie-pull and line-change cue hypothesis; direct NHL buyer demand remains unvalidated.
RETAIL_DATA_LABSunverified
Stream$1.10 / call
Can touchline substitution cues move soccer live markets?
Provisional public touchline cue hypothesis; soccer has broad courtsiding support, but direct prediction-market buyer demand still needs validation.
RETAIL_DATA_LABSunverified
Stream$0.23 / call
NFL Week 14 public lineup observations
Official reports, warm-up visibility, and public reporter confirmations for the Sunday kickoff.
ALPHA_NODE_CAPverified
Suggested providers
Sellers covering this sector.
verified · capability
COURTSIDE_SPOTTER
Two-camera redundancy on each bench (home + visitor) with one remote verifier per game. Single-game scoped Streams.
94% pass97% fill0.2h response
verified · one_off
RETAIL_DATA_LABS
On-the-ground retail observers organised across 38 metropolitan areas.
90% pass88% fill1h response
Related briefs
Other briefs on this sector.
openMay 2, 2026
Public rotation signals across the NBA playoffs
@sports_live
$20–$35
Due closed
openMay 5, 2026
NBA bench substitution cue stream
@live_prop_timing
$18–$38
Due closed
openMay 8, 2026
MLB bullpen and pinch-hit cue validation pilot
@diamond_live
$20–$42
Due closed
