diff --git a/domains/internet-finance/polymarket-achieved-us-regulatory-legitimacy-through-qcx-acquisition-establishing-prediction-markets-as-cftc-regulated-derivatives.md b/domains/internet-finance/polymarket-achieved-us-regulatory-legitimacy-through-qcx-acquisition-establishing-prediction-markets-as-cftc-regulated-derivatives.md
index 8a2af660..d61e038a 100644
--- a/domains/internet-finance/polymarket-achieved-us-regulatory-legitimacy-through-qcx-acquisition-establishing-prediction-markets-as-cftc-regulated-derivatives.md
+++ b/domains/internet-finance/polymarket-achieved-us-regulatory-legitimacy-through-qcx-acquisition-establishing-prediction-markets-as-cftc-regulated-derivatives.md
@@ -28,6 +28,12 @@ The acquisition strategy itself is notable as "regulation via acquisition" — b
 
 The federal-state jurisdictional conflict is unresolved. If states successfully assert gambling jurisdiction over prediction markets, the CFTC licensing may prove insufficient for nationwide operations. This could force prediction markets into the same fragmented regulatory landscape that online poker faced.
 
+
+### Additional Evidence (challenge)
+*Source: [[2026-02-00-prediction-market-jurisdiction-multi-state]] | Added: 2026-03-16*
+
+Tennessee federal court ruled in favor of CFTC jurisdiction (Feb 2026), but Nevada, Massachusetts, and Maryland courts rejected federal preemption, with 36 states filing amicus briefs opposing it. This creates a circuit split that undermines the claim that CFTC regulation provides clear legitimacy—the regulatory framework is now actively contested across jurisdictions.
+
 ---
 
 Relevant Notes:
diff --git a/inbox/archive/.extraction-debug/2026-02-00-prediction-market-jurisdiction-multi-state.json b/inbox/archive/.extraction-debug/2026-02-00-prediction-market-jurisdiction-multi-state.json
new file mode 100644
index 00000000..bf950833
--- /dev/null
+++ b/inbox/archive/.extraction-debug/2026-02-00-prediction-market-jurisdiction-multi-state.json
@@ -0,0 +1,33 @@
+{
+  "rejected_claims": [
+    {
+      "filename": "prediction-market-federal-state-jurisdiction-split-creates-supreme-court-path-through-circuit-conflict.md",
+      "issues": [
+        "missing_attribution_extractor"
+      ]
+    },
+    {
+      "filename": "sports-prediction-market-litigation-leaves-governance-prediction-market-regulation-unresolved.md",
+      "issues": [
+        "missing_attribution_extractor"
+      ]
+    }
+  ],
+  "validation_stats": {
+    "total": 2,
+    "kept": 0,
+    "fixed": 3,
+    "rejected": 2,
+    "fixes_applied": [
+      "prediction-market-federal-state-jurisdiction-split-creates-supreme-court-path-through-circuit-conflict.md:set_created:2026-03-16",
+      "sports-prediction-market-litigation-leaves-governance-prediction-market-regulation-unresolved.md:set_created:2026-03-16",
+      "sports-prediction-market-litigation-leaves-governance-prediction-market-regulation-unresolved.md:stripped_wiki_link:futarchy-governed-entities-are-structurally-not-securities-b"
+    ],
+    "rejections": [
+      "prediction-market-federal-state-jurisdiction-split-creates-supreme-court-path-through-circuit-conflict.md:missing_attribution_extractor",
+      "sports-prediction-market-litigation-leaves-governance-prediction-market-regulation-unresolved.md:missing_attribution_extractor"
+    ]
+  },
+  "model": "anthropic/claude-sonnet-4.5",
+  "date": "2026-03-16"
+}
\ No newline at end of file
diff --git a/inbox/archive/2026-02-00-prediction-market-jurisdiction-multi-state.md b/inbox/archive/2026-02-00-prediction-market-jurisdiction-multi-state.md
index 3995675f..b8a28932 100644
--- a/inbox/archive/2026-02-00-prediction-market-jurisdiction-multi-state.md
+++ b/inbox/archive/2026-02-00-prediction-market-jurisdiction-multi-state.md
@@ -7,9 +7,13 @@ date: 2026-02-00
 domain: internet-finance
 secondary_domains: []
 format: article
-status: unprocessed
+status: enrichment
 priority: high
 tags: [prediction-markets, regulation, kalshi, jurisdiction, supreme-court, cftc, state-gaming]
+processed_by: rio
+processed_date: 2026-03-16
+enrichments_applied: ["polymarket-achieved-us-regulatory-legitimacy-through-qcx-acquisition-establishing-prediction-markets-as-cftc-regulated-derivatives.md"]
+extraction_model: "anthropic/claude-sonnet-4.5"
 ---
 
 ## Content
@@ -52,3 +56,13 @@ tags: [prediction-markets, regulation, kalshi, jurisdiction, supreme-court, cftc
 PRIMARY CONNECTION: [[Polymarket vindicated prediction markets over polling in 2024 US election]]
 WHY ARCHIVED: Circuit split virtually guarantees SCOTUS involvement. The outcome determines futarchy's regulatory viability. Multiple independent legal analyses converge on this assessment.
 EXTRACTION HINT: Focus on circuit split as signal for SCOTUS, and the gap between sports prediction market litigation and governance prediction market implications.
+
+
+## Key Facts
+- Tennessee federal court ruled pro-Kalshi on Feb 19, 2026
+- Nevada state court ruled pro-state, rejecting federal court removal
+- Massachusetts state court issued preliminary injunction in Jan 2026
+- Maryland federal court ruled CEA preemption doesn't encompass state gambling laws
+- 36 states filed amicus briefs opposing federal preemption in Fourth Circuit
+- CFTC Chairman Selig published WSJ op-ed signaling aggressive pro-jurisdiction stance
+- Sidley Austin reported CFTC signals imminent rulemaking on prediction markets (Feb 2026)