玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q2 (20)2.29-16.73-26.840.31-50.0-64.3739.7920.0336.83294.26101.66181.7835.9556.4452.01298.1090.99171.37
24Q1 (19)2.75-45.5411.790.62-66.3-28.7433.1584.06-10.53145.92194.4938.7222.98196.5219.56156.08160.9626.88
23Q4 (18)5.0551.65138.211.8491.67104.4418.01-34.1-58.0649.55-47.49-50.997.75-63.36-79.2359.81-40.52-43.96
23Q3 (17)3.336.390.60.9610.34-12.7327.33-6.02-0.5194.37-9.6314.2121.15-10.57-34.74100.55-8.4729.44
23Q2 (16)3.1327.24-2.80.870.0-12.1229.08-21.512.79104.43-0.7214.0923.6523.052.87109.85-10.713.45
23Q1 (15)2.4616.04-36.920.87-3.33-48.8237.05-13.7258.6105.194.0496.3619.22-48.535.93123.0115.2595.88
22Q4 (14)2.12-35.95-55.460.90-18.18-64.5742.9456.32124.7101.1122.36182.3537.3215.15174.82106.7337.4158.24
22Q3 (13)3.312.8-37.431.1011.11-60.1427.47-2.959.882.63-9.72150.732.4140.97194.177.68-19.7898.47
22Q2 (12)3.22-17.44-63.660.99-41.76-62.7828.2921.1175.4691.5370.86167.2422.9962.59268.4396.8354.19152.95
22Q1 (11)3.90-18.07-38.11.70-33.07-8.623.3622.2461.7753.5749.69.4214.144.1237.9562.8051.9518.16
21Q4 (10)4.76-10.02-28.12.54-7.97-5.2219.1111.1739.0835.818.655.2613.5823.2320.1841.335.613.36
21Q3 (9)5.29-40.29-7.362.763.7624.3217.1967.387.8432.96-3.77-19.4311.0276.6-15.0339.142.25-10.8
21Q2 (8)8.8640.6372.042.6643.0126.0710.27-28.88-41.8834.25-30.04-20.536.24-39.12-59.6138.28-27.98-15.52
21Q1 (7)6.30-4.8386.391.86-30.623.1814.445.09-46.3648.9643.92-18.6710.25-9.29-58.2153.1545.78-15.08
20Q4 (6)6.6215.9453.242.6820.7236.0413.74-13.8-34.8534.02-16.84-26.2211.30-12.88-42.1736.46-16.91-23.5
20Q3 (5)5.7110.8728.892.225.2130.5915.94-9.79-22.4740.91-5.08-23.3612.97-16.05-38.7643.88-3.16-16.83
20Q2 (4)5.1552.370.02.1139.740.017.67-34.360.043.10-28.410.015.45-37.020.045.31-27.610.0
20Q1 (3)3.38-21.760.01.51-23.350.026.9227.640.060.2030.560.024.5325.540.062.5931.330.0
19Q4 (2)4.32-2.480.01.9715.880.021.092.580.046.11-13.620.019.54-7.740.047.66-9.670.0
19Q3 (1)4.430.00.01.700.00.020.560.00.053.380.00.021.180.00.052.760.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2023 (10)11.73-13.694.50-26.7131.1215.8681.0336.3714.75-6.8897.4038.27
2022 (9)13.59-49.146.14-52.726.8696.6359.42111.3115.8459.270.44121.23
2021 (8)26.7243.5812.9846.3413.66-30.3428.12-31.659.95-38.2431.84-28.67
2020 (7)18.6122.198.8716.5619.61-18.1941.14-14.216.11-25.5944.64-11.2
2019 (6)15.2324.027.615.423.97-19.3247.95-5.1621.65-12.0350.27-9.68
2018 (5)12.287.627.2220.3329.71-7.1650.56-16.9224.61-8.2755.66-15.69
2017 (4)11.41-20.656.0014.9432.0026.0860.86-12.9326.830.5266.02-3.75
2016 (3)14.3815.785.2214.7325.38-13.6469.90-12.8826.69-1.3768.59-16.92
2015 (2)12.4222.734.557.3129.39-18.580.23-6.7327.06-9.6582.56-10.39
2014 (1)10.124.874.24-0.736.06-4.6386.020.7329.95-32.9892.1317.35

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