# GRU M1 Listing Validation

**Last Updated:** 2026-01-31  
**Document Version:** 1.0  
**Status:** Active Documentation

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## Purpose

This document defines **acceptance gates and validation criteria** for GRU M1 compliant settlement instruments (cUSDC, cUSDT, cEURC, etc.) prior to and after listing on CoinMarketCap (CMC) and CoinGecko (CG).

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## Hard Gates (Acceptance Criteria)

| Metric | Threshold | Rationale |
| ------ | --------- | --------- |
| **Peg Deviation** | ≤ ±0.50% | Target price = 1.0000; variance band for operational tolerance |
| **Recovery Time** | ≤ 24 hours | Time to return to peg band after stress event |
| **Supply Reconciliation Error** | 0 | On-chain supply must match attested supply exactly |
| **Unexplained Variance** | None | No unexplained supply changes; full audit trail |

**Failure of any gate:** Corrective action required before listing or scaling. No exceptions.

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## Pre-Listing Validation

### Dry-Run Requirements

1. **Dominance Simulation** — Complete S0–S5 scenarios; archive results
2. **Peg Stress-Test** — All P1–P6 tests pass per instrument
3. **Supply Check** — On-chain supply reconciled with attestation

### Documentation Requirements

- Symbol registry table (frozen)
- External classification matrix
- Mint/burn policy
- Reserve attestation summary
- Peg maintenance memo

**See:** [GRU M1 Master Implementation Plan](../gru-m1/GRU_M1_MASTER_IMPLEMENTATION_PLAN.md)

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## Post-Listing Validation

### T+1 / T+7 / T+30 Checks

| Checkpoint | Price | Supply | Category | Market Cap |
| ---------- | ----- | ------ | -------- | ---------- |
| T+1 | Correct | Correct | Stablecoin/Fiat-Pegged | Correct |
| T+7 | Correct | Correct | Correct | Correct |
| T+30 | Correct | Correct | Correct | Correct |

### Incident Triggers

| Trigger | Action |
| ------- | ------ |
| Peg deviation > ±0.50% | Immediate disclosure; indexer communication |
| Supply mismatch | Corrective data submission; pause if critical |
| Misclassification | Corrective data submission to CMC/CG |

**See:** [GRU M1 Listing Dry-Run Runbook](../runbooks/GRU_M1_LISTING_DRY_RUN_RUNBOOK.md)

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## Compliance Cross-Reference

This validation framework supports:

- **Regulatory Compliance** — Auditable evidence for institutional, banking, and sovereign review
- **Operational Compliance** — Runbooks, incident response, recovery procedures
- **Financial Compliance** — Transaction logging, balance tracking, attestation

**See:** [Compliance Tracking](COMPLIANCE_TRACKING.md)

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## Related Documentation

| Document | Path |
| -------- | ---- |
| GRU M1 Master Implementation Plan | [docs/gru-m1/GRU_M1_MASTER_IMPLEMENTATION_PLAN.md](../gru-m1/GRU_M1_MASTER_IMPLEMENTATION_PLAN.md) |
| GRU M1 Listing Dry-Run Runbook | [docs/runbooks/GRU_M1_LISTING_DRY_RUN_RUNBOOK.md](../runbooks/GRU_M1_LISTING_DRY_RUN_RUNBOOK.md) |
| Peg Stress-Test Worksheet | [docs/gru-m1/PEG_STRESS_TEST_WORKSHEET.md](../gru-m1/PEG_STRESS_TEST_WORKSHEET.md) |
| GRU M1 Real-Data Dominance Addendum | [docs/gru-m1/GRU_M1_REAL_DATA_DOMINANCE_ADDENDUM.md](../gru-m1/GRU_M1_REAL_DATA_DOMINANCE_ADDENDUM.md) |