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
24Q3 (20)0.45-21.05-34.781.27-7.97-29.83204.1728.5155.2471.919.2442.7933.20-22.61-22.05242.8833.5974.37
24Q2 (19)0.5718.75-8.061.3813.11-6.76158.88-15.488.1865.83-11.986.9942.90-29.2-1.52181.81-10.0810.29
24Q1 (18)0.48-22.58-15.791.22-32.22-9.63187.9927.7717.1474.7947.9810.9360.5927.6117.22202.1834.6214.74
23Q4 (17)0.62-10.1424.01.80-0.5537.4147.1311.87-19.4250.540.36-27.0847.4811.48-23.58150.197.83-20.86
23Q3 (16)0.6911.2935.291.8122.322.3131.52-10.45-26.1550.36-18.15-17.8242.59-2.23-27.97139.29-15.5-22.72
23Q2 (15)0.628.7712.731.489.63-15.43146.87-8.48-11.1761.53-8.7418.443.56-15.73-16.02164.84-6.45-0.36
23Q1 (14)0.5714.0-1.721.353.05-17.68160.48-12.112.667.42-2.7321.4851.69-16.8-5.19176.21-7.1511.95
22Q4 (13)0.50-1.96-12.281.31-11.49-12.67182.592.5313.5269.3113.114.4762.135.079.29189.775.2915.33
22Q3 (12)0.51-7.27-1.921.48-15.43-1.33178.097.720.8461.2817.911.1959.1314.011.46180.238.94-2.11
22Q2 (11)0.55-5.1744.741.756.7124.11165.335.7-30.6251.97-6.36-19.6951.87-4.86-13.64165.445.11-31.9
22Q1 (10)0.581.7545.01.649.335.81156.42-2.75-32.0555.50-8.34-5.7454.52-4.1-10.84157.40-4.34-30.95
21Q4 (9)0.579.6239.021.500.0-14.77160.84-8.92-27.2960.55-0.0216.9456.857.16-1.78164.54-10.63-23.51
21Q3 (8)0.5236.84-5.451.506.38-26.47176.60-25.897.0960.56-6.4135.5153.05-11.6719.94184.11-24.2111.33
21Q2 (7)0.38-5.0-35.591.41-9.03-11.88238.283.5154.1564.719.913.9160.06-1.7819.95242.936.5850.6
21Q1 (6)0.40-2.44-39.391.55-11.93-7.74230.214.0767.958.8813.719.0261.155.6515.23227.945.9665.11
20Q4 (5)0.41-25.45-39.711.76-13.73-25.42221.2134.1465.2151.7815.8634.1857.8830.8634.82215.1130.0866.03
20Q3 (4)0.55-6.780.02.0427.50.0164.916.680.044.69-21.330.044.23-11.660.0165.372.520.0
20Q2 (3)0.59-10.610.01.60-4.760.0154.5812.740.056.815.180.050.07-5.650.0161.3116.850.0
20Q1 (2)0.66-2.940.01.68-28.810.0137.112.40.054.0139.960.053.0723.620.0138.056.550.0
19Q4 (1)0.680.00.02.360.00.0133.900.00.038.590.00.042.930.00.0129.560.00.0
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)2.473.356.5512.74147.70-3.2755.70-11.450.52-13.18152.88-2.86
2022 (9)2.3936.575.81-2.35152.70-26.6162.872.4958.19-8.91157.38-23.43
2021 (8)1.75-19.355.95-23.32208.0723.9561.3430.3463.8824.33205.5325.68
2020 (7)2.17-3.567.76-0.39167.863.4747.060.4351.38-0.54163.543.88
2019 (6)2.2518.427.79-6.48162.23-15.3446.866.9651.66-1.86157.43-13.88
2018 (5)1.90-5.948.33-2.69191.635.843.812.7952.644.16182.805.55
2017 (4)2.02-6.488.5613.83181.127.1242.62-12.1850.54-5.78173.195.62
2016 (3)2.16-1.827.528.05169.081.948.53-7.4453.642.0163.97-1.08
2015 (2)2.20-0.456.961.9165.920.4952.43-1.8752.591.56165.76-0.6
2014 (1)2.210.456.833.48165.11-0.4953.43-3.451.7814.43166.76-5.24

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