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)1.185.361.720.480.04.3577.29-4.79-1.42190.70-0.4-2.6386.819.5325.23181.18-6.31-11.59
24Q2 (19)1.1234.941.820.4811.6314.2981.18-26.08-1.52191.47-9.79-11.7579.26-15.9825.13193.39-15.08-18.07
24Q1 (18)0.83-37.12-2.350.43-32.8130.3109.8259.022.92212.2448.46-24.1494.3448.33-3.83227.7253.44-21.03
23Q4 (17)1.3213.79-7.690.6439.1328.069.06-11.918.4142.96-27.01-22.063.60-8.25-14.27148.41-27.58-14.12
23Q3 (16)1.165.45-5.690.469.5224.3278.40-4.896.0195.85-9.73-19.6969.329.44-18.38204.93-13.18-12.01
23Q2 (15)1.1029.414.760.4227.2723.5382.43-22.75-5.26216.96-22.45-18.4663.34-35.43-22.75236.05-18.14-12.93
23Q1 (14)0.85-40.56-18.270.33-34.0-13.16106.7067.4822.32279.7752.6415.498.1032.2311.44288.3766.8719.34
22Q4 (13)1.4316.265.150.5035.144.1763.71-13.86-4.77183.29-24.84-2.9674.19-12.652.04172.81-25.8-5.61
22Q3 (12)1.2317.1411.820.378.82-11.973.96-15.0-10.71243.86-8.3512.3284.933.594.06232.89-14.16.67
22Q2 (11)1.050.961.940.34-10.53-8.1187.01-0.25-1.2266.089.757.0181.99-6.86-22.77271.1112.217.59
22Q1 (10)1.04-23.53-4.590.38-20.83-13.6487.2330.394.66242.4428.3516.0388.0321.07-21.65241.6431.9934.29
21Q4 (9)1.3623.64-2.860.4814.29-29.4166.90-19.232.92188.89-13.040.3472.71-10.92-2.74183.08-16.1446.66
21Q3 (8)1.106.8-5.170.4213.51-22.2282.83-5.955.35217.11-12.6829.6681.62-23.122.68218.32-5.331.06
21Q2 (7)1.03-5.515.730.37-15.91-13.9588.075.66-14.22248.6519.018.6106.17-5.5112.44230.5528.135.81
21Q1 (6)1.09-22.1437.970.44-35.292.3383.3528.23-28.0208.9555.25-0.42112.3650.293.93179.9444.15-17.26
20Q4 (5)1.4020.6914.750.6825.9311.4865.00-17.32-12.78134.59-19.62-10.1574.76-5.95-6.68124.83-25.06-13.43
20Q3 (4)1.1630.340.00.5425.580.078.62-23.420.0167.45-20.130.079.49-15.810.0166.58-23.550.0
20Q2 (3)0.8912.660.00.430.00.0102.67-11.310.0209.65-0.090.094.42-12.660.0217.890.190.0
20Q1 (2)0.79-35.250.00.43-29.510.0115.7655.340.0209.8340.080.0108.1134.950.0217.4850.820.0
19Q4 (1)1.220.00.00.610.00.074.520.00.0149.790.00.080.110.00.0144.200.00.0
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)3.94-3.91.8816.0592.724.21193.70-14.0984.47-5.78201.95-10.16
2022 (9)4.10-2.381.62-5.8188.972.29225.486.2589.65-11.36224.8013.5
2021 (8)4.207.421.72-16.9186.98-6.93212.2120.12101.14-2.68198.0619.17
2020 (7)3.9115.682.07-2.8293.46-13.41176.672.98103.92-4.15166.20-2.84
2019 (6)3.3814.972.13-5.75107.93-13.03171.556.11108.427.33171.06-7.41
2018 (5)2.948.892.2614.14124.10-8.15161.67-12.51101.02-3.94184.75-13.97
2017 (4)2.70-3.231.98-6.16135.113.25184.786.59105.166.52214.744.5
2016 (3)2.7912.962.11-2.76130.86-11.35173.363.098.72-10.13205.50-0.29
2015 (2)2.47-14.242.17-16.22147.6216.46168.3119.39109.85-2.33206.0932.73
2014 (1)2.88-4.642.59-3.0126.764.86140.983.27112.471.7155.275.76

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