9% — Will government spending decrease by 1000 before 2026 Leader: At least 50 billion at 9% · Kalshi 9% · 13 contracts · $19 volume · medium confidence Updated 2026-08-24 15:15:27 UTC Tracks the leading outcome in a winner-take-all prediction market set with 13 outcomes. Why this matters: This market asks whether U.S. federal government spending will fall by $1 trillion in a single fiscal year before the end of 2026—a reduction representing roughly 25% of current annual outlays. The 7% probability reflects skepticism that such a large spending contraction could occur within this timeframe. Current fiscal trajectories, mandatory spending commitments, and political constraints make major cuts unlikely in the near term. The primary driver moving this probability would be either a severe economic shock forcing emergency fiscal consolidation or a major political shift enabling unprecedented spending reductions. Fiscal year 2026 budget resolutions and appropriations decisions throughout late 2025 and early 2026 represent the key decision points that would clarify feasibility of this outcome. Market pricing across different contraction thresholds (50B, 250B, 750B, 1T) shows declining probability as cuts grow larger, consistent with diminishing likelihood of extreme fiscal adjustment. Key factors: - Mandatory spending (Social Security, Medicare, Medicaid, interest) comprises roughly 60-70% of the budget and cannot be cut without legislative action - A $1 trillion reduction would require either eliminating entire departments or cutting across-the-board spending by approximately 25%, neither of which has precedent in U.S. fiscal history - FY2026 runs October 2025 through September 2026; major budget and appropriations bills must pass by fall 2025 to establish spending parameters - The market structure shows traders pricing a $250B cut at 7% but a $1T cut at only 3%, indicating incremental skepticism as the threshold increases - Economic conditions, debt ceiling negotiations, and election cycle dynamics in 2025-2026 would need to align to enable this magnitude of contraction Contracts: - Will government spending decrease by 50 before 2028?: At least 50 billion — 9¢ Kalshi $19 (weight 100%) - Will government spending decrease by 100 before 2028?: At least 100 billion — 9¢ Kalshi $0 (weight 0%) - Will government spending decrease by $250 billion before 2028?: At least 250 billion — 7¢ Kalshi $0 (weight 0%) - Will government spending decrease by $200 billion before 2028?: At least 200 billion — 6¢ Kalshi $0 (weight 0%) - Will government spending decrease by $500 billion before 2028?: At least 500 billion — 6¢ Kalshi $0 (weight 0%) - Will government spending decrease by $750 billion before 2028?: At least 750 billion — 5¢ Kalshi $0 (weight 0%) - Will government spending decrease by 250 before 2026?: At least 250 billion — 4¢ Kalshi $0 (weight 0%) - Will government spending decrease by 500 before 2026?: At least 500 billion — 4¢ Kalshi $0 (weight 0%) - ... and 5 more --- ## Methodology SimpleFunctions aggregates live YES-side prices from Kalshi and Polymarket contracts bound to this question. For binary topics the headline is the liquidity-weighted mid-price (weight = log(1 + 24h volume) × freshness, where freshness is 1.0 if updated <24h, 0.7 if <7d, 0.4 otherwise). For multi-outcome (winner-take-all) topics the headline is the current leader's price — disjoint outcomes are never arithmetically averaged. Snapshots refresh every 5 minutes during market hours. ## SF Signal - SF Index, regime, and 30d Brier calibration are computed separately and surfaced at https://simplefunctions.dev/admin/calibration. - No SimpleFunctions index / regime / calibration signal is bound to this topic yet — the headline above is market-derived only. --- *Last verified: 2026-08-24T13:20:49.634Z* By SimpleFunctions — https://simplefunctions.dev/ Cite as: "9% per prediction markets (SimpleFunctions, August 2026)" Canonical: https://simplefunctions.dev/answer/govtcuts Full data: https://simplefunctions.dev/api/public/query?q=Will%20government%20spending%20decrease%20by%201000%20before%202026 Provider: SimpleFunctions — https://simplefunctions.dev