# 217.404 Method 1 score.(a) *General.* A bank holding company's method 1 score is the sum of its systemic indicator scores for the twelve systemic indicators set forth Table 1 of this section, as determined under paragraph (b) of this section.(b) *Systemic indicator score.* (1) Except as provided in paragraph (b)(2) of this section, the systemic indicator score in basis points for a given systemic indicator is equal to:(i) The ratio of:(A) The amount of that systemic indicator, as reported by the bank holding company as of December 31 of the previous calendar year; to(B) The aggregate global indicator amount for that systemic indicator published by the Board in the fourth quarter of that year;(ii) Multiplied by 10,000; and(iii) Multiplied by the indicator weight corresponding to the systemic indicator as set forth in Table 1 of this section.(2) *Maximum substitutability score.* The sum of the systemic indicator scores for the indicators in the substitutability category (assets under custody, payments systems activity, and underwriting activity) will not exceed 100 basis points.Table 1 to § 217.404—Systemic Indicator Weights| Category | Systemic indicator | Indicator weight || --- | --- | --- || Size | Total exposures | 20 percent. || Interconnectedness | Intra-financial system assets | 6.67 percent. || | Intra-financial system liabilities | 6.67 percent. || | Securities outstanding | 6.67 percent. || Substitutability | Payments activity | 6.67 percent. || | Assets under custody | 6.67 percent. || | Underwritten transactions in debt and equity markets | 6.67 percent. || Complexity | Notional amount of over-the-counter (OTC) derivatives | 6.67 percent. || | Trading and available-for-sale (AFS) securities | 6.67 percent. || | Level 3 assets | 6.67 percent. || Cross-jurisdictional activity | Cross-jurisdictional claims | 10 percent. || | Cross-jurisdictional liabilities | 10 percent. |[Reg. Q, 80 FR 49105, Aug. 14, 2015, as amended at 81 FR 90954, Dec. 16, 2016]