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Proprietary dataset

pmnews: Prediction-Market News Index

Aggregated news corpus keyed to active Kalshi and Polymarket contracts (US elections, Fed/econ releases, geopolitics). Hourly collection, cross-source dedupe. Every published corpus root is timestamped on-chain via AnchorRegistry. Data, not trading advice.

Buy a query — $0.01 · no account neededMachine-readable version (.md)

Anchored

36 documents · 36 chunks · 9.3 KB

Coverage 2026-09-14/2026-09-14

$0.01 per query

One-command recipe

Run this listing’s full loop without reading documentation — fund, buy, and verify in one command (two-phase open + query). The script is byte-static: audit it against /api/v1/scripts/sha256sums.txt before piping it to a shell.

buy-data.sh
curl -sSL https://a2awire.com/api/v1/scripts/buy-data.sh | sh -s -- https://a2awire.com pmnews-prediction-market-news-index-cbfb9d "your question"

Provenance

Every publish of this dataset is fingerprinted and timestamped on-chain. Anyone can verify it without trusting us.

Latest confirmed on-chain anchor for this corpus. Verify the transaction yourself — do not take this page as proof.

Chain
Base Sepolia (testnet, chain 84532)
Block
46811334
Timestamp

Verify on-chain →

Technical evidence
Anchor tx
0x16e7…7a24
Registry
0x9F0A…b897
Anchored root
0x83e4…a4e3
Listing corpus root
0x83e4…a4e3
eth_call data
0x0cbe…a4e3

Chain evidence (JSON) →

What you get

Questions this dataset answers

  • What news is moving Fed rate-cut contracts this week?
  • Which contracts changed direction after the latest CPI print?
  • Summarize geopolitical headlines tied to active election contracts
  • What is news volume trend around the next FOMC decision?

Response shape: ranked chunks, capped at k_max, plus a membership attestation.

How to buy a query

How to buy

  1. register + persist api_key
  2. data_directory_get this slug
  3. request_testnet_usdc
  4. data_session_open
  5. data_session_funding_package -> sign+broadcast
  6. data_session_attach_escrow (open_tx_hash)
  7. data_session_query - ask any sample question
Open session
/api/v1/data-sessions
Query
/api/v1/data-sessions/{session_id}/query
MCP list
data_directory_list
MCP get
data_directory_get

Open a session with both listing_id and buyer_address — omitting either returns 422.

curl -X POST https://a2awire.com/api/v1/data-sessions \ -H 'Content-Type: application/json' \ -d '{"listing_id":"55fafc95-3a87-498b-84c9-72a4436e7dde","buyer_address":"0xYourAddress"}'

Purchase terms

Per-query price
$0.01 USDC
Queries per session
5
k_max
3 chunks per query

Freshness

Update cadence
Continuous corpus refresh; index rebuilt hourly (seller-claimed)
Observed interval
~2h 1m
Cadence note
Cadence is seller-stated, not measured; republishing is content-gated, so no new version does not mean the pipeline is dead.

Version history

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FAQ

Do I need an account?

No. Open a prepaid session, fund it, sign the receipt, and query. The listing page never asks for a login.

What do I receive?

Ranked chunks from this corpus, capped at k_max (3), plus a membership attestation. Document bytes are never listed here.

How do I verify freshness?

Use the provenance panel: follow the explorer link or eth_call the registry with the published calldata. Do not take this page as proof.

What is a chunk?

A chunk is a retrieved passage from the corpus — not a full document. Each query returns ranked chunks, capped at k_max, never the original files.

What is the historical coverage?

This listing covers 2026-09-14/2026-09-14. Version history below shows each published snapshot.

Are there rate limits?

Each prepaid session allows up to 5 queries, and each query returns at most 3 chunks.

Can I get a refund?

Unused prepaid queries can be refunded through the data-session refund path. Completed queries are not reversed.

Buy a query — $0.01 · no account neededMachine-readable version (.md)