SELECT 
    *
FROM (
    SELECT 
        YEAR_MONTH,
        MONTH_AMT,
        SUM(MONTH_AMT) OVER(ORDER BY ym_idx ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) AS CUML_AMT,
        SUM(MONTH_AMT) OVER(ORDER BY ym_idx RANGE BETWEEN 11 PRECEDING AND CURRENT ROW) AS YEAR_MOVE_AMT
    FROM (
        SELECT 
            -- SALES_DATE,
            DATE(SALES_DATE, "START OF MONTH") AS YEAR_MONTH,
            CAST(STRFTIME("%Y", DATE(SALES_DATE, "START OF MONTH")) AS INT) * 12 + CAST(STRFTIME("%m", DATE(SALES_DATE, "START OF MONTH")) AS INT) AS ym_idx,
            SUM(SALES_AMT) AS MONTH_AMT
            -- UPDATED_NO
            -- YEAR_MONTH,
            -- MONTH_AMT,
            -- CUML_AMT,
            -- YEAR_MOVE_AMT
        FROM
            SALES
        WHERE 
            UPDATED_NO IS NULL
        GROUP BY 
            YEAR_MONTH
    )
)
WHERE 
    YEAR_MONTH >= "2023-01-01"
ORDER BY 
    YEAR_MONTH ASC