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
24Q1 (20)1.0915.9618.481.67-21.6135.2183.72-13.94-15.4154.3927.47-57.5233.9121.02-21.34104.20-6.91-43.34
23Q4 (19)0.94-38.56-8.742.132.4102.8697.2863.7210.6142.67-2.67-50.6928.0263.19-27.95111.9330.02-17.46
23Q3 (18)1.5357.734.082.08264.9152.9459.42-36.76-4.0243.84-72.75-34.3217.17-51.01-35.1686.09-60.83-15.75
23Q2 (17)0.975.43-3.00.57-19.72-16.1893.96-5.063.71160.8825.6620.5535.05-18.7-30.65219.7919.5226.67
23Q1 (16)0.92-10.682.220.71-32.38-42.7498.9712.53-1.97128.0347.9474.5743.1110.8527.81183.8935.6130.82
22Q4 (15)1.03-29.93-8.851.05-22.79-40.087.9542.068.8886.5429.6566.1738.8946.8759.19135.6032.7125.06
22Q3 (14)1.4747.0-3.291.36100.00.7461.91-31.673.0866.75-49.98-1.1326.48-47.6116.7102.18-41.11-2.57
22Q2 (13)1.0011.11-3.850.68-45.169.6890.60-10.263.77133.4581.96-8.9550.5449.848.36173.5123.43-7.33
22Q1 (12)0.90-20.350.01.24-29.1461.04100.9624.98-0.473.3440.82-38.0733.7338.07-38.91140.5729.64-14.59
21Q4 (11)1.13-25.66-11.021.7529.638.780.7834.512.9952.08-22.86-8.0724.437.67-31.47108.433.3817.23
21Q3 (10)1.5246.1512.591.35117.74-20.5960.06-31.21-11.167.51-53.9426.3522.69-51.35-40.45104.88-43.9926.51
21Q2 (9)1.0415.56-7.960.62-19.48-48.3387.31-13.877.95146.5723.7693.1146.64-15.52-26.46187.2413.76100.56
21Q1 (8)0.90-29.13-5.260.77-52.17-45.77101.3741.85.6118.43109.0685.1955.2154.87-14.03164.5977.9571.95
20Q4 (7)1.27-5.9333.681.61-5.29-15.7171.495.82-25.3856.656.0318.8635.65-6.43-22.3192.4911.57-5.21
20Q3 (6)1.3519.47-7.531.7041.67-17.0767.56-16.478.7253.43-29.620.1838.10-39.9229.0782.90-11.27.56
20Q2 (5)1.1318.958.651.20-15.4946.3480.88-15.74-7.2675.9018.69-31.8163.42-1.2536.5393.36-2.47-38.6
20Q1 (4)0.950.00.01.42-25.650.095.990.20.063.9534.180.064.2239.940.095.72-1.90.0
19Q4 (3)0.95-34.930.01.91-6.830.095.8054.170.047.667.20.045.8955.450.097.5726.60.0
19Q3 (2)1.4640.380.02.05150.00.062.14-28.750.044.46-60.060.029.52-36.450.077.07-49.320.0
19Q2 (1)1.040.00.00.820.00.087.210.00.0111.310.00.046.450.00.0152.060.00.0
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)4.282.395.4820.1885.32-2.2866.64-16.7333.59-9.29118.37-9.16
2022 (9)4.180.724.56-27.587.31-0.7180.0337.8937.0320.93130.3112.96
2021 (8)4.15-12.086.29-2.7887.9313.7258.042.8230.62-24.3115.3623.62
2020 (7)4.7211.586.474.3577.32-10.4356.45-4.1640.45-4.5193.32-9.27
2019 (6)4.2330.566.206.1686.32-23.4158.90-5.742.3620.17102.86-26.49
2018 (5)3.24-11.725.84-14.49112.7113.462.4616.8435.258.46139.9316.27
2017 (4)3.672.236.8318.9999.39-2.2453.46-15.8832.50-33.8120.353.63
2016 (3)3.592.575.74-20.17101.67-2.463.5525.249.09-20.46116.1324.58
2015 (2)3.50-22.577.19-1.1104.1728.9950.761.0461.723.5793.2230.54
2014 (1)4.5210.517.278.1880.76-9.4450.24-7.4459.59-26.271.4113.86

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