Basis Protocol

Score Proof · PYUSD · SII · 2026-09-21 19:52 UTC

PayPal USD PYUSD
Issued by Paxos
83.9

Methodology v1.2.0 · Computed 2026-09-21 19:35 UTC · 63 components

This page shows every input used to compute this score. The methodology is open. The computation is deterministic — same inputs always produce the same output.

Formula

SII = 0.30×Peg + 0.25×Liquidity + 0.15×Flows + 0.10×Distribution + 0.20×Structural

Category Weight Score Contribution
Peg Stability 0.30 99.6 29.88
Liquidity Depth 0.25 59.9 14.97
Mint/Burn Flows 0.15 95.3 14.29
Holder Distribution 0.10 72.8 7.28
Structural Risk 0.20 71.4 14.28
Total 83.9 80.70

Component Readings

63 of 56 target components currently scoring

Component Raw Value Score (0-100) Source Type Collected
Flows
daily_burn_volume 0 100.0 etherscan live 2026-09-21 19:35
daily_mint_volume 0 100.0 etherscan live 2026-09-21 19:35
net_mint_burn_ratio 0.5 100.0 etherscan live 2026-09-21 19:35
supply_change_velocity 0.7865 76.3 derived static 2026-09-21 19:35
unusual_minting_detection 0.2218 100.0 derived static 2026-09-21 19:35
Governance
governance_model 70 70.0 config static 2026-09-21 19:35
team_transparency 1 85.0 config static 2026-09-21 19:35
Holder Distribution
agent_holder_share 0 actor_classification static 2026-09-21 19:35
correlated_response_risk 0 actor_classification static 2026-09-21 19:35
exchange_concentration 0.0266 40.1 etherscan live 2026-09-21 19:35
top_10_concentration 0.0267 100.0 etherscan live 2026-09-21 19:35
unique_holders 1.054e+05 80.0 etherscan live 2026-09-21 19:35
Liquidity
avg_bid_ask_spread 0.4128 58.7 coingecko live 2026-09-21 19:35
bid_ask_spread 0.3531 68.1 derived static 2026-09-21 19:35
cex_listing_count 26 70.0 coingecko live 2026-09-21 19:35
chain_count 19 100.0 defillama live 2026-09-21 19:35
circulating_ratio 1 100.0 coingecko live 2026-09-21 19:35
defi_protocol_count 2 70.0 defillama live 2026-09-21 19:35
dex_pool_count 7 80.0 coingecko live 2026-09-21 19:35
lending_apy 2.61 26.1 defillama live 2026-09-21 19:35
lending_tvl 7.322e+07 60.0 defillama live 2026-09-21 19:35
market_cap 2.78e+09 80.0 coingecko live 2026-09-21 19:35
volume_24h 9.27e+07 60.0 coingecko live 2026-09-21 19:35
volume_concentration 0.7668 22.2 coingecko live 2026-09-21 19:35
volume_mcap_ratio 0.0333 16.7 coingecko live 2026-09-21 19:35
Market Activity
daily_turnover_ratio 3.334 66.7 coingecko live 2026-09-21 19:35
exchange_count 33 70.0 coingecko live 2026-09-21 19:35
exchange_trust_ratio 1 100.0 exchange_snapshots static 2026-09-21 19:35
mcap_change_24h -0.78 68.5 coingecko live 2026-09-21 19:35
price_stability_24h 0.016 99.7 coingecko live 2026-09-21 19:35
price_stability_7d 0.007 99.9 coingecko live 2026-09-21 19:35
stablecoin_market_share 1.854 60.0 coingecko live 2026-09-21 19:35
trading_pair_diversity 28 100.0 coingecko live 2026-09-21 19:35
Network
gas_resilience 75 75.0 config static 2026-09-21 19:35
primary_chain_security 95 95.0 static static 2026-09-21 19:35
Peg Stability
arbitrage_efficiency 0.9437 100.0 derived static 2026-09-21 19:35
depeg_events_30d 0 100.0 coingecko live 2026-09-21 19:35
max_drawdown_30d 0.1318 98.7 coingecko live 2026-09-21 19:35
peg_24h_max_deviation 0.0334 99.7 coingecko live 2026-09-21 19:35
peg_30d_stability 1 100.0 coingecko live 2026-09-21 19:35
peg_7d_max 1 99.4 coingecko live 2026-09-21 19:35
peg_7d_min 0.999 98.0 coingecko live 2026-09-21 19:35
peg_7d_stddev 0.000238 98.8 coingecko live 2026-09-21 19:35
peg_current_deviation 0 100.0 coingecko live 2026-09-21 19:35
peg_range_7d 0.001319 93.4 coingecko live 2026-09-21 19:35
stress_performance 2.248 75.0 coingecko live 2026-09-21 19:35
Regulatory
jurisdiction_clarity 1 80.0 config static 2026-09-21 19:35
regulatory_status 85 85.0 config static 2026-09-21 19:35
Smart Contract
admin_key_risk 70 70.0 config static 2026-09-21 19:35
blacklist_capability 1 60.0 config static 2026-09-21 19:35
bug_bounty_score 0 20.0 config static 2026-09-21 19:35
contract_verified 1 100.0 static static 2026-09-21 19:35
exploit_history 0 100.0 config static 2026-09-21 19:35
pausability 1 60.0 config static 2026-09-21 19:35
Transparency
attestation_frequency 35 71.4 config static 2026-09-21 19:35
attestation_freshness 356 20.0 cda_reducto_pdf cda 2026-09-21 19:35
auditor_quality 100 80.0 cda_reducto_pdf cda 2026-09-21 19:35
cash_equivalents_pct 95 95.0 attestation static 2026-09-21 19:35
reserve_to_supply_ratio 1 50.0 attestation static 2026-09-21 19:35
transparency_url_exists 1 100.0 config static 2026-09-21 19:35

Evidence

Raw JSON · Score History · Witness Archive · Methodology Spec

Re-derivation

Inputs hash: 3e1158d8155114b8c984bdb7ae99dec2

You can verify this score independently by calling GET /api/scores/pyusd and applying the published formula to the component readings. The same inputs always produce the same output.