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Cross-Venue Prediction Market Spread Monitor

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Read-only, explainable Polymarket and Kalshi candidate spread analysis with fee, depth, and matching evidence.

Pricing

from $0.05 / actor start

Rating

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Developer

BRADLEY B

Actor stats

Bookmarked

Total users

Monthly active users

5 days ago

Last modified

Categories

E-commerce

Agents

Data mode

mode

Optional

Live retrieves current public market metadata and executable order books. Fixtures provides one deterministic test record.

Type:string

Default:live

Options:

fixtureslive

Analysis stake (USD)

stakeUsd

Optional

Total USD capital budget across both legs, including configured fees and safety buffer; no orders are placed.

Type:number

Minimum:0.01

Maximum:100000

Default:100

Maximum results

maxResults

Optional

Maximum number of ranked candidate spread records to emit.

Type:integer

Minimum:1

Maximum:1000

Default:100

Minimum title similarity

minSimilarity

Optional

Minimum token similarity required before deeper compatibility checks.

Type:number

Minimum:0.2

Maximum:1

Default:0.55

Maximum close-time difference (hours)

maxCloseHours

Optional

Maximum difference between venue market close times.

Type:number

Minimum:1

Maximum:720

Default:72

Minimum estimated net return (%)

minNetReturnPct

Optional

Only emit candidates at or above this estimated post-buffer return.

Type:number

Minimum:-100

Maximum:1000

Default:0

Estimated total fee rate (%)

feeRatePct

Optional

Conservative configurable estimate; confirm venue-specific fees manually.

Type:number

Minimum:0

Maximum:20

Default:1

Safety buffer (%)

slippageBufferPct

Optional

Additional percentage of modeled acquisition cost reserved as a safety margin.

Type:number

Minimum:0

Maximum:20

Default:0.5

Maximum markets per venue

maxMarketsPerVenue

Optional

Hard cap on normalized active binary market metadata loaded from each venue.

Type:integer

Minimum:1

Maximum:10000

Default:3000

Maximum source pages

maxSourcePages

Optional

Hard pagination cap applied independently to each venue.

Type:integer

Minimum:1

Maximum:30

Default:30

Maximum matched pairs to hydrate

maxBookPairs

Optional

Maximum plausible cross-venue pairs whose executable order books are requested.

Type:integer

Minimum:1

Maximum:250

Default:100

Live source authorization

authorization

Optional

Operator data-rights attestation. The deployed Actor defaults to the permissions confirmed for this private release.

Type:object

Default:

{
  "polymarketPublicApiApproved": true,
  "kalshiDeveloperAgreementReviewed": true,
  "commercialRedistributionApproved": true,
  "termsReviewedOn": "2026-08-13"
}

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